PACKAGING ARTICLE COMPRISING AN ENVELOPE ANHYDROUS COLORING COMPOSITION COMPRISING AN OXIDATION COLO

专利摘要:
The present invention relates to a packaging article comprising i) an envelope defining at least one cavity, the envelope comprising water-soluble or fat-soluble fibers ii), at least one anhydrous coloring composition containing at least one oxidation dye; and iii) optionally at least one anhydrous oxidizing agent, preferably in the form of a powder; it being understood that the coloring composition ii) and the chemical oxidizing agent when it is present iii), is (are) in one of the cavities of the envelope i). Another subject of the invention is the use of the packaging article for dyeing keratinous fibers, and a method for dyeing keratinous fibers implementing said article. The use of the packaging article makes it possible to obtain coloring compositions having good dyeing properties, easy to apply and which make it possible to obtain a strong hair coloring.
公开号:FR3015232A1
申请号:FR1363396
申请日:2013-12-23
公开日:2015-06-26
发明作者:Fabien Aubert；Frederic Guerin
申请人:LOreal SA；
IPC主号:

专利说明:

[0001] The present invention relates to a packaging article comprising an oxidation dye precursor for dyeing keratinous fibers, in particular an oxidation dye comprising an envelope, an anhydrous dye composition comprising an oxidation dye, and a method for dyeing keratinous fibers. human hair. For a long time, many people have been trying to change the color of their hair and in particular to hide their white hair. It is known to obtain so-called "permanent" or oxidation dyes with dyeing compositions containing oxidation dye precursors, generally called oxidation bases, such as ortho- or para-phenylenediamines, ortho or para aminophenols and heterocyclic compounds. These oxidation bases are initially colorless or weakly colored compounds which, when combined with oxidizing products, can give rise to colored compounds by a process of oxidative condensation. It is also known that the shades obtained with these oxidation bases can be varied by combining them with couplers or color modifiers, the latter being chosen in particular from aromatic meta-diamines, meta-aminophenols, meta-amines and meta-aminophenols. diphenols and certain heterocyclic compounds such as indole compounds. The variety of molecules involved in the oxidation bases and couplers allows a rich palette of colors to be obtained. The permanent dyeing process therefore consists in applying bases or a mixture of bases and couplers to the keratinous fibers with hydrogen peroxide (H 2 O 2 or hydrogen peroxide) as an oxidizing agent, to be allowed to diffuse and then to rinse off. fibers. The resulting dyes have the advantage of being permanent, powerful, and resistant to external agents, including light, weather, washing, perspiration and friction.
[0002] The coloring process employing oxidation dyes is usually carried out from several compositions, at least one dyeing composition and at least one oxidizing composition, which are mixed extemporaneously just before the application of the final alkaline or neutral final composition. on the fibers. It is indeed not possible to store in the same composition all the ingredients except water, in order to avoid the degradation of the hydrogen peroxide in an aqueous alkaline or neutral medium, which induces the condensation reaction of the bases of water. oxidation and couplers. Thus, according to the usual practice, the one or more dyeing compositions are stored separately, and on the other hand the aqueous oxidizing composition, which has an acidic pH to guarantee the stability of the hydrogen peroxide, and it is not puts in contact only at the moment of use. The obligation to use several compositions entails first of all disadvantages inherent to the storage of several compositions, with a larger storage area.
[0003] This also entails the need to dose the compositions before putting them in contact. It can be proposed, to overcome this drawback, the use of kits (or devices with multiple compartments) but this complicates despite all the use of the compositions and increases costs. In addition, in certain cases, the dyeing and oxidizing compositions, are in different galenic forms, such as for example powders, granules, pastes or creams, for example, which can complicate the mixing and obtaining of a homogeneous final composition (see for example US 20070006, US20080263786, U520090056039, U52010064449, EP23601604, WO2012015034, WO11059027, US2011203604, FR 0756173, EP2011474).
[0004] In addition, it appears that the compositions resulting from these powders, granules, pastes and creams do not always give satisfactory texture compositions. In addition, the mixtures obtained do not always give satisfactory colors to the keratinous fibers, particularly in terms of intensity, coloring power, chromaticity and / or color selections which are not very selective, such that the colorings are not homogeneous between the root and the tip. Moreover, they do not always lead to ease of application with a suitable consistency. Moreover, when using powdery dye compositions, there may be a risk of contact between the dyes and alkaline agents and the user (clothing or skin surfaces). Lastly, the fact of using separate oxidizing compositions requires the manipulation of fairly concentrated oxidizing solutions and multiply the steps. The object of the present invention is therefore to propose a composition for oxidation dyeing which, while retaining good dyeing properties, makes it possible at the same time to solve the problem of the storage surface, of the storage stability of the compositions, which avoid direct contact with dyes and other ingredients used in oxidation dyeing such as alkaline agents and chemical oxidizing agents, which is easy to use and does not leak out of areas wish to color. This object (s) is (are) achieved by the present invention which relates to a packaging article comprising: i) an envelope defining at least one cavity, the envelope comprising water-soluble fibers and / or liposoluble, preferably water-soluble polymer fibers; ii) at least one anhydrous coloring composition, preferably in the form of a paste or a powder, containing at least one oxidation dye; and iii) optionally at least one anhydrous oxidizing agent, preferably in the form of a paste or a powder; it being understood that the coloring composition ii) and the chemical oxidizing agent when it is present iii), is (are) in one of the cavities defined by the envelope i). Another subject of the invention is a method for dyeing human keratinous fibers, such as the hair, comprising the following steps: i) mixing the packaging article of the invention with a composition capable of solubilizing the packaging article, ii) applying the resulting composition to the keratinous fibers iii) allowing pausing, iv) rinsing said fibers, v) optionally shampooing the fibers, rinsing them and drying them, the composition capable of dissolving the packaging article may contain an oxidizing agent. Another object of the invention is the use of the packaging article as defined above for dyeing keratinous fibers, preferably the hair.
[0005] The use of the packaging article makes it possible to obtain compositions for coloring keratin fibers of consistencies which are pleasant to use, easy to apply and which do not flow outside the zones to be treated. The colorations obtained on the keratinous fibers are excellent dyeing properties especially in terms of chromaticity, selectivity, intensity or remanence identical comparable or even better than those of conventional packaging compositions i.e. in separate liquid form. In addition, the packaging article of the invention makes it possible to have no direct contact between the user and the powdered ingredients. Moreover, the packaging article has a reduced size to its bare minimum, very compact, without packaging. bulky.
[0006] Other characteristics and advantages of the invention will emerge more clearly on reading the description and examples which follow. In what follows, and unless otherwise indicated, the boundaries of a domain of values are included in this field. The expression "at least one" is equivalent to the expression "one or more".
[0007] A composition is called "anhydrous" when it comprises a water content of at most 3%, preferably at most 1% by weight relative to the weight of the composition. Preferably, this water content is at most 0.5% by weight relative to the weight of the composition or powder. More particularly, the water content ranges from 0 to 1% by weight and preferably from 0 to 0.5% by weight relative to the total weight of the composition or powder. By the term "anhydrous paste" is meant an anhydrous composition having a viscosity greater than 5 poise and preferably greater than 10 poise, measured at 25 ° C. and at a shear rate of 1 s -1; this viscosity can be determined by means of a Coneplan rheometer.
[0008] By the expression in the form of "anhydrous powder" is meant an anhydrous composition and an ingredient and in pulverulent form, preferably essentially free of dust (or fine particles). In other words, the particle size distribution is such that the weight ratio of the particles which have a size of less than or equal to 100 micrometers (fines ratio), preferably less than or equal to 65 micrometers (fines ratio), is advantageously less than or equal to 5%, preferably less than 2% and more particularly less than 1% (size of the particles evaluated by means of a RETSCH AS 200 DIGIT granulometer, oscillation height: 1.25 mm / sieving time: 5 minutes). Advantageously, the size of the particles is between 100 μm and 3 mm, more particularly between 65 μm and 2 mm. According to a preferred embodiment of the invention, the dye composition comprising an oxidation dye and optionally the oxidizing agent are anhydrous in the form of paste or powder and are introduced into one or more cavities formed by the envelope.
[0009] The envelope may consist of a sheet consisting of water-soluble and / or fat-soluble fibers and which is folded on itself or the envelope may consist of a first sheet which is covered by a second sheet also made of fibers water-soluble and / or fat-soluble. The folded ply or the two plies are then assembled (s) hermetically so that the pasta or powders can not diffuse outside, the pasta or powders being thus enveloped by the envelope i) hermetically. By "water-soluble" is meant soluble in water, in particular at least 10 grams per liter of water, preferably at least 20 g / l, better still at least 50 g / l, at a lower temperature or equal to 35 ° C.
[0010] By "fat-soluble" is meant soluble in a liquid fatty substance as defined below, in particular at a rate of at least 10 grams per liter of liquid fatty substance, in particular in a vegetable or mineral oil such as liquid petrolatum preferably at least 20 g / l in a liquid fatty substance, better still at least 50 g / l in a fatty substance, at a temperature of less than or equal to 35 ° C.
[0011] By "temperature below or equal to 35 ° C" is meant a temperature not exceeding 35 ° C but greater than or equal to 0 ° C, for example ranging from more than 1.0 ° C to 35 ° C, better still At 30 ° C and more preferably 10 ° C to 30 ° C or 10 ° C to 20 ° C. It is understood that all temperatures are given at atmospheric pressure. The packaging article according to the invention is preferably water-soluble or fat-soluble at a temperature of less than or equal to 35 ° C. i) an envelope comprising water-soluble and / or fat-soluble fibers The packaging article according to the invention comprises an envelope which defines at least one cavity, the cavity or cavities containing at least one anhydrous coloring composition containing at least one oxidation dye , the packaging article optionally containing at least one chemical oxidizing agent in one of its cavities. The packaging article preferably comprises a single cavity.
[0012] The wrapper of the present invention comprises one or more water-soluble and / or fat-soluble fiber webs and one or more cavities containing the anhydrous coloring composition, the coloring composition being distinct from the web or envelope. Such an envelope is different from the water-soluble or liposoluble thin films in which the coloring composition would be incorporated into the envelope or sheets forming the envelope. With respect to these water-soluble or fat-soluble thin films, the envelope according to the invention has the advantage of allowing the incorporation of constituents incompatible with it, to be simpler to implement because it does not require premixing or solution in a solvent of the constituents, nor heating to evaporate the solvent. The method of manufacturing the packaging article of the invention is also faster and less expensive than the method of manufacturing thin films. In addition, when the active agents, in this case in particular the oxidation dyes, are used in dispersion to form a thin film, this can cause compatibilty problems, mechanical problems (film breakage) and impose concentration limits in active ingredients. . In addition, the envelope and the layers useful for the invention have the advantage of allowing a greater diversity in the choice of the shape and appearance of the article because the water-soluble and / or fat-soluble layer or layers can have a variable thickness and density giving access to a wide variety of shape and size, while the thin film is difficult to dry if the thickness is too great, and it is fragile and difficult to handle if the size is too large . Advantageously, the envelope or the plies are "deformable to the touch", that is to say in particular that the envelope and the plies deform when they are gripped and pinched between the fingers of a user. Preferably, the anhydrous dyestuff composition in the form of powder or paste and optionally the anhydrous oxidizing agent or agents, in the form of a powder or in the form of a paste, are present in a cavity generated by at least two layers constituting the envelope and defining between they comprise a cavity, said sheets preferably comprising water-soluble fibers. According to one particular embodiment of the invention, at least one of the plies of the packaging article consists exclusively of water-soluble fibers, more preferably all the layers of the water-soluble fibers. The packaging article of the invention consists exclusively of water-soluble fibers, preferably at a temperature of less than or equal to 30 ° C. By "fiber" is meant any object whose length is greater than its section. In other words, it is necessary to understand an object of length L and of diameter D such that L is greater and preferably much higher (ie at least 3 times more) to D, where D is the diameter of the circle in which the section of the fiber. In particular, the ratio LJD (or form factor) is chosen in the range from 3.5 to 2500, preferably from 5 to 500, and better still from 5 to 150. The section of a fiber may be of any shape , round, serrated or fluted, or bean-shaped, but also multi-lobed, in particular trilobed or pentalobed, X-shaped, ribbon, square, triangular, elliptical, or other. The fibers of the invention may be hollow or non-hollow. The fibers used according to the present invention may be of natural, synthetic or artificial origin. Advantageously, said fibers are of synthetic origin. A "natural fiber" is by definition a fiber naturally present in nature, directly or after mechanical and / or physical treatment. This category includes fibers of animal origin such as cellulose fibers, especially extracted from wood, vegetables or seaweed, rayon.
[0013] The "artificial fibers" are either totally synthetic or derived from natural fibers which have been subjected to one or more chemical treatments in order to improve in particular the mechanical and / or physicochemical properties. "Synthetic fibers" includes fibers obtained by chemical synthesis and are generally fibers consisting of one or more polymers and / or copolymers, mono- or multi-component, composite or otherwise, which are generally extruded and / or stretched to a minimum. to the desired diameter of the fiber. Preferably, the fibers of the invention consist of one or more water-soluble polymers. The water-soluble polymer (s) of the invention contain, in their backbones, water-soluble units. The water-soluble units are obtained from one or more water-soluble monomers. By "water-soluble monomer" is meant a monomer whose solubility in water is greater than or equal to 1%, preferably greater than or equal to 5% at 25 ° C. and at atmospheric pressure (760 mmHg).
[0014] The water-soluble synthetic polymer (s) used in the context of the present invention are advantageously obtained from water-soluble monomers comprising at least one double bond. These may be chosen from cationic, anionic and nonionic monomers and mixtures thereof. As water-soluble monomers which can be used as precursors of the water-soluble units, the following monomers which may be in free or salified form, for example: (meth) acrylic acid, - styrenesulfonic acid, vinylsulfonic acid and (meth) allylsulfonic acid, vinylphosphonic acid, N-vinylacetamide and N-methyl-N-vinylacetamide, N-vinylformamide and N-vinylformamide. methyl N-vinylformamide, N-vinyllactams comprising a cyclic alkyl group having from 4 to 9 carbon atoms, such as N-vinylpyrrolidone, N-butyrolactam and N-vinylcaprolactam, maleic anhydride, itaconic acid, - vinyl alcohol of formula CH2 = CHOH, - vinyl ethers of formula CH2 = CHOR in which R is a hydrocarbon radical, linear or branched, saturated or unsaturated, having from 1 to 6 carbons, - halides (chloride ) dimethyldiallyl ammonium, - di methacrylate quaternized methylaminoethyl (MADAME), - (meth) acrylamidopropyltrimethylammonium halides (APTAC and MAPTAC), - methylvinylimidazolium halides (chloride), - 2-vinylpyridine and 4-vinylpyridine, - acrylonitrile, - glycidyl (meth) acrylate, - vinyl halides (vinyl chloride) and vinylidene chloride, - the vinyl monomers of formula (I) below: H 2 C = C (R) -C (O) -X (I) Formula ( I) wherein: - R is selected from H, (C1-C6) alkyl such as methyl, ethyl and propyl; X is chosen from: alkoxy of the type -OR 'where R' is a linear or branched, saturated or unsaturated hydrocarbon radical containing from 1 to 6 carbons, optionally substituted with at least one halogen atom (iodine, bromine, chlorine, fluorine); sulphonic group (-SO3), sulphate (-SO4 phosphate (-PO4H2), hydroxy (-OH), primary amine (-NH2), secondary amine (-NHR6), tertiary (-NR6R7) or quaternary (-N + R6R7R8 ) with R6, R7 and R8 being, independently of one another, a linear or branched, saturated or unsaturated hydrocarbon radical having 1 to 6 carbon atoms, provided that the sum of the carbon atoms of R '+ R6 + R7 + R8 does not exceed 6; -NH2, -NHR 'and -NR'R "groups in which R' and R" are independently of each other linear or branched, saturated hydrocarbon radicals or unsaturated having 1 to 6 carbon atoms, provided that the total number of carbon atoms of R '+ R "does not exceed 6, said R' and R" being optionally substituted with a halogen atom (iodine, bromine, chlorine, fluorine), a hydroxy (-OH) sulphonic (-SO3), sulphate (-SO4), phosphate (-PO4H2), primary amine (-NH2), secondary amine (-NHR6), tertiary (- NR6R7) and / or quaternary (-N + R6R7R8) with R6, R7 and R8 being, independently of one another, a hydrocarbon radical, linear or branched, saturated or unsaturated having 1 to 6 carbon atoms, provided that the sum of the atoms of The compounds of this formula include, for example, N, N-dimethylacrylamide, and N, N-diethylacrylamide. - and their mixtures. As anionic monomers, mention may especially be made of (meth) acrylic acid, acrylamido-2-methylpropanesulfonic acid, itaconic acid and their salts of an alkali metal, alkaline earth metal or ammonium or those derived from an organic amine such as alkanolamine. As nonionic monomers, mention may especially be made of (meth) acrylamide, N-vinylformamide, N-vinylacetoamide and hydroxypropyl (meth) acrylate, vinyl alcohol of formula CH2 = CHOH ,. The cationic monomers are preferably chosen from quaternary ammonium salts derived from a diallylamine, and those corresponding to the following formula (II): ## STR2 ## Formula (I) in which: R1 represents a hydrogen atom or a methyl group; R2 and R3, which are identical or different, represent a hydrogen atom or a linear or branched C1-C4 alkyl group; R4 represents an atom of hydrogen, a linear or branched C1-C4 alkyl group or an aryl group, - D represents the following divalent unit: - (Y), - (A) - in which: - Y represents an amide function, an ester (0- C (O) or C (O) -O), a urethane or a urea, A represents a linear or branched, cyclic or acyclic C1-C10 alkylene group which may be substituted or interrupted by a divalent aromatic or heteroaromatic group. The alkylene groups may be interrupted by an oxygen atom, a nitrogen atom, a sulfur atom or a phosphorus atom; the alkylene which can be interrupted by a ketone function, an amide, an ester (O-C (O) or C (O) -O), a urethane, or a urea, n is an integer ranging from 0 to 1 X represents anionic counterion, for example a chloride or a sulphate. As examples of water-soluble cationic monomers, there may be mentioned in particular the following compounds as well as their salts: dimethylaminoethyl (meth) acrylate, (meth) acryloyl-oxyethyltrimethylammonium, (meth) acryloyloxyethyl-dimethylbenzylammonium, N-methyl- [Dimethylaminopropyl] (meth) acrylamide, (meth) acrylamidopropyltrimethylammonium, (meth) acrylamido-propyldimethylbenzylammonium, dimethylaminohydroxypropyl (meth) acrylate, (meth) acryloyloxyhydroxypropyltrimethylammonium, (meth) acryloyloxyhydroxypropyl-dimethylbenzylammonium and dimethyldiallylammonium.
[0015] Preferably, the polymer useful according to the invention is polymerized from at least one cationic monomer as defined above. Preferably, the polymers are polymerized from the monomers comprising at least one double bond: -0 to 30 mol% of acrylic acid, -0 to 95.5 mol% of acrylamide and -0.5 to 100 mol% of at least one cationic monomer represented in formula (II) as defined above. Particularly preferred polymers in the invention include those polymerized from -10% acryloyloxyethyldimethylbenzylammonium chloride and 90% acrylamide, -30% acryloyloxytrimethylammonium chloride, 50% sodium chloride, and acryloyloxyethyldimethylbenzylammonium, and 20% acrylamide, -10% acryloyloxyethyltrimethylammonium chloride and 90% acrylamide -30% diallyldimethylammonium chloride and 70% acrylamide -30% acrylic acid and 70% acrylamide. % acrylamide. According to a particular embodiment, the polymers are polymerized from a cationic monomer and acrylic acid, the number of moles of the cationic monomer being greater than the number of moles of acrylic acid.
[0016] As water-soluble polymers derived from natural products, mention may be made of polysaccharides, i.e. polymers with sugar units. By "sugar unit" is meant a unit derived from a carbohydrate of formula C n (H 2 O), 4 or (CH 2 O) which may be optionally modified by substitution and / or by oxidation and / or dehydration. The sugar units that may be included in the composition of the polymers of the invention are preferably derived from the following sugars: glucose, galactose, arabinose, rhamnose, mannose, xylose, fucose, fructose, anhydrogalactose, galacturonic acid, glucuronic acid, mannuronic acid , galactose sulfate, anhydrogalactose sulfate. The polymers with a pattern (s) sugar (s) according to the invention can be of natural or synthetic origin. They can be nonionic, anionic, amphoteric or cationic. The base units of the sugar-patterned polymers of the invention may be mono- or disaccharides. Mention may in particular be made, as polymers which may be employed, of the following native gums, as well as their derivatives: a) exudates from trees or shrubs, of which: gum arabic (branched polymer of galactose, arabinose, rhamnose and glucuronic acid); ghatti gum (polymer derived from arabinose, galactose, mannose, xylose and glucuronic acid); karaya gum (polymer derived from galacturonic acid, galactose, rhamnose and glucuronic acid); tragacanth gum (tragacanth) (polymer of galacturonic, galactose, fucose, xylose and arabinose acid); (b) gums derived from algae, including: - agar (polymer derived from galactose and anhydrogalactose); alginates (polymers of mannuronic acid and glucuronic acid); carrageenans and furcelleranes (polymers of galactose sulfate and of anhydrogalactose sulfate); (c) gums derived from seeds or tubers, including: - guar gum (mannose and galactose polymer); carob gum (mannose and galactose polymer); fenugreek gum (mannose and galactose polymer); - tamarind gum (galactose, xylose and glucose polymer); - the konjac gum (glucose polymer and mannose) whose main component is glucomannan is a polysaccharide of high molecular weight (500 000 <Mgluc, omannane <2 000 000) composed of D-mannose units and D- glucose with branching every 50 or 60 units; d) microbial gums including: - xanthan gum (glucose polymer, mannose acetate, mannose / pyruvic acid and glucuronic acid); gellan gum (partially acyl glucose, rhamnose and glucuronic acid polymer); scleroglucan gum (glucose polymer); the gum of biosaccharides (polymer of galacturonic acid, of fucose and of D-galactose), for example that marketed under the name FUCOGEL 1.5P of SOLABIA (POLYSACCHARIDE RICH IN FUCOSE (20%) AT 1.1% IN STABILIZED WATER (PHENOXYETHANOL 1.5%)), e) plant extracts of which: - cellulose (polymer of glucose); starch (glucose polymer); inulin (polymer of fructose and glucose). These polymers can be modified physically or chemically. As a physical treatment, mention may in particular be made of temperature. As chemical treatments, mention may be made of esterification, etherification, amidation and oxidation reactions. These treatments lead to polymers that can be nonionic, anionic, cationic or amphoteric. Preferably these chemical or physical treatments are applied to guar gums, locust bean gums, starches and celluloses. The nonionic guar gums that can be used according to the invention can be modified with hydroxylakyl groups at Cl-06. Among the hydroxyalkyl groups, mention may be made of hydroxymethyl, hydroxyethyl, hydroxypropyl and hydroxybutyl groups.
[0017] These guar gums are well known in the state of the art and may for example be prepared by reacting corresponding alkene oxides such as, for example, propylene oxides with guar gum, so as to obtain a gum of gum. guar modified with hydroxypropyl groups. The degree of hydroxyalkylation preferably ranges from 0.4 to 1.2 and corresponds to the number of alkylene oxide molecules consumed by the number of free hydroxyl functions present on the guar gum. Such nonionic guar gums optionally modified with hydroxyalkyl groups are for example sold under the trade names Jaguar HP8, Jaguar HP60 and Jaguar HP120 by the company Rhodia Chimie. The guar gums modified with cationic groups that are more particularly usable according to the invention are guar gums comprising cationic trialkylammonium groups. Preferably, 2 to 30% by number of the hydroxyl functions of these guar gums carry cationic trialkylammonium groups. Even more preferably, 5 to 20% of the number of hydroxyl functions of these guar gums are connected by cationic trialkylammonium groups. Among these trialkylammonium groups, there may be mentioned very particularly trimethylammonium and triethylammonium groups. Even more preferably, these groups represent from 5 to 20% by weight relative to the total weight of the modified guar gum. According to the invention, it is possible to use guar gums modified with 2,3-epoxypropyltrimethylammonium chloride. These guar gums modified with cationic groups are products already known per se and are for example described in US Pat. Nos. 3,589,578 and 4,013,307. Such products are moreover sold in particular under the trade names of US Pat. JAGUAR C13 S, JAGUAR C 15, JAGUAR C 17 by RHODIA CHEMISTRY. As modified locust bean gum, it is possible to use cationic carob gum containing hydroxypropyltrimmonium groups, such as the Catinal CLB 200 proposed by the company TOHO. The starch molecules used in the present invention may originate from all plant sources of starch, including cereals and tubers; more particularly it may be corn starch, rice, cassava, barley, potato, wheat, sorghum, peas, oats, tapioca. It is also possible to use the hydrolysates of the starches mentioned above. The starch is preferably from the potato. The starches may be modified chemically or physically, in particular by one or more of the following reactions: pregelatinization, oxidation, crosslinking, esterification, etherification, amidification, heat treatments. More particularly, these reactions can be carried out as follows: - pregelatinization by bursting the starch granules (for example drying and cooking in a drying drum); oxidation by strong oxidants leading to the introduction of carboxyl groups into the starch molecule and to the depolymerization of the starch molecule (for example by treating an aqueous starch solution with sodium hypochlorite); crosslinking with functional agents capable of reacting with the hydroxyl groups of the starch molecules which will thus be bonded together (for example with glyceryl and / or phosphate groups); alkaline esterification for the grafting of functional groups, in particular C1-C6 acyl (acetyl), hydroxyalkyl C1-C6 (hydroxyethyl, hydroxypropyl), carboxymethyl, octenylsuccinic. In particular, it is possible to obtain, by means of crosslinking with phosphorus compounds, mono-starch phosphates (of the Am-O-PO- (OX) 2 type), diamidon phosphates (of the Am-O-PO- (OX) -O-Am type). or even triamidon (of the type Am-O-PO- (O-Am) 2) or mixtures thereof; with Am signifying starch and X denoting in particular the alkali metals (for example sodium or potassium), the alkaline earth metals (for example calcium, magnesium), the ammonium salts, the amine salts such as those of monoethanolamine, diethanolamine, triethanolamine, 3-aminopropanediol-1,2, ammonium salts derived from basic amino acids such as lysine, arginine, sarcosine, ornithine, citrulline. The phosphorus compounds may be, for example, sodium tripolyphosphate, sodium orthophosphate, phosphorus oxychloride or sodium trimetaphosphate. Diamidon phosphates or diamidon phosphate-rich compounds such as the product proposed under the references PREJEL VA-70-T AGGL (hydroxypropylated gelatinized hydroxypropyl diamidon phosphate) or PREJEL TK1 (gelatinized manioc diamidon phosphate) are preferably used. PREJEL 200 (acetylated gelatinized manioc diamidon phosphate) by the company AVEBE or STRUCTURE ZEA by NATIONAL STARCH (gelatinized cornstarch). A preferred starch is a starch which has undergone at least one chemical modification such as at least one esterification.
[0018] According to the invention, it is also possible to use amphoteric starches comprising one or more anionic groups and one or more cationic groups. The anionic and cationic groups may be bonded to the same reactive site of the starch molecule or to different reactive sites; preferably they are linked to the same reactive site. The anionic groups may be of carboxylic, phosphate or sulfate type, and preferably carboxylic. The cationic groups may be of primary, secondary, tertiary or quaternary amine type. The amphoteric starches are in particular chosen from compounds of the following formulas: ## STR2 ## R 'R (II) COOM H HC - C - COOM R' R "R", St - O - C - C - COOM St - O - C - C - COOM H2 HH H2 (III) (IV) Formulas ( I) to (IV) in which: - St-0 represents a starch molecule; R -, identical or different, represents a hydrogen atom or a methyl radical; - R ', which is identical or different, represents a hydrogen atom; hydrogen, a methyl radical or a -C (O) -OH group; n is an integer equal to 2 or 3; M, identical or different, denotes a hydrogen atom, an alkali metal or alkaline earth metal such as Na , K, Li, a quaternary ammonium NH4, or an organic amine; R "represents a hydrogen atom or a C1-C18 alkyl radical.
[0019] These compounds are in particular described in US5455340 and US4017460. Starches of formula (II) or (III) are especially used; and preferably the starches modified with 2-chloroethylaminodipropionic acid, that is to say the starches of formula (II) or (III) in which R, R ', R "and M represent a hydrogen atom and n is 2. The preferred amphoteric starch is a starch chloroethylamido dipropionate The celluloses and cellulosic derivatives may be anionic, cationic, amphoteric or nonionic.
[0020] Among these derivatives, there are cellulose ethers, cellulose esters and cellulose ether esters. Among the cellulose esters, mention may be made of inorganic esters of cellulose (cellulose nitrates, sulphates or phosphates), organic cellulose esters (cellulose monoacetates, triacetates, amidopropionates, acetatebutyrates, acetatepropionates or acetatetrimellitates) and mixed organic esters. inorganic cellulose such as acetate-butyrate sulphates and cellulose acetate propionates. Among the cellulose ether esters, mention may be made of hydroxypropyl methylcellulose phthalates and ethylcellulose sulphates. Among the nonionic cellulose ethers, mention may be made of alkylcelluloses such as methylcelluloses and ethylcelluloses (for example Ethocel Standard 100 Premium from DOW CHEMICAL); hydroxyalkylcelluloses such as hydroxymethylcelluloses, hydroxyethylcelluloses (for example Natrosol 250 HHR proposed by AQUALON) and hydroxypropylcelluloses (for example KIucel EF from AQUALON); mixed hydroxyalkyl-alkylcellulose celluloses such as hydroxypropyl-methylcelluloses (for example Methocel E4M from Dow Chemical), hydroxyethyl-methylcelluloses, hydroxyethylethylcelluloses (for example Bermocoll E 481 FQ from Akzo Nobel) and hydroxybutyl-methylcelluloses. Among the anionic cellulose ethers, mention may be made of carboxyalkylcelluloses and their salts. As an example, there may be mentioned carboxymethylcelluloses, carboxymethylmethylcelluloses (for example Blanose 7M from AQUALON) and carboxymethylhydroxyethylcelluloses, as well as their sodium salts. Among the cationic cellulose ethers, mention may be made of quaternized hydroxyethylcelluloses which may or may not be crosslinked. The quaternizing agent may especially be diallyldimethylammonium chloride (for example Celquat L200 from National Starch). As another cationic cellulose ether, mention may be made of hydroxyethyl cellulose hydroxypropyltrimethylammonium (for example Ucare polymer JR 400 from AMERCHOL). Among the associative polymers with a sugar unit (s), mention may be made of celluloses or their derivatives, modified with groups comprising at least one fatty chain such as alkyl, arylalkyl or alkylaryl groups, or mixtures thereof, where the alkyl groups are C8-C22; nonionic alkylhydroxyethylcelluloses such as the products NATROSOL PLUS GRADE 330 CS and POLYSURF 67 (C16 alkyl) sold by AQUALON; quaternized (cationic) alkylhydroxyethylcelluloses such as the products QUATRISOFT LM 200, QUATRISOFT LM-X 529-18-A, QUATRISOFT LM-X 529-18-B (C12 alkyl) and QUATRISOFT LM-X 529-8 (C18 alkyl) ) sold by the company Amerchol, the products CRODACEL QM, CRODACEL QL (C12 alkyl) and CRODACEL QS (C18 alkyl) sold by the company CRODA and the product SOFTCAT SL 100 sold by the company AMERCHOL; nonionic nonoxynylhydroxyethylcelluloses such as the AMERCELL HM-1500 product sold by the company Amerchol; nonionic alkylcelluloses such as the BERMOCOLL EHM 100 product sold by the company BEROL NOBEL. As polymers having sugar (s) derived from associative guar, mention may be made of hydroxypropyl guars modified with a fatty chain such as the product ESAFLOR HM 22 (modified with a C22 alkyl chain) sold by the company LAMBERTI; the product MIRACARE XC 95-3 (modified with a C14 alkyl chain) and the product RE 205-146 (modified with a C20 alkyl chain) sold by RHODIA CHIMIE. The sugar-based polymer (s) of the invention are preferably chosen from guar gums, locust bean gums, xanthan gums, starches and celluloses, in their modified form (derivatives). or not modified.
[0021] Preferably, the polymers with a sugar unit (s) according to the invention are nonionic. More preferably, the polymer (s) sugar (s) of the invention are chosen from modified nonionic guar gums, especially modified with hydroxyalkyl groups C1-C6.
[0022] The polymers described above more particularly have a molecular weight greater than 1,000,000 and preferably between 1,000,000 and 50,000,000. The molecular weight is determined by the method RSV (Reduced Specific Viscocity) as defined in " Principles of Polymer Chemistry "Cornell University Press, Ithaca, NY 1953 Chapter VII" Determination of Molecular Weight "pp. 266-316.
[0023] The fibers can be spun, carded or twisted. Advantageously, the fibers used in the context of the present invention are spun. The average diameter of the fibers used according to the present invention, which is identical or different, is less than 500 μm. Advantageously, such a diameter is less than 200 μm, preferably less than 100 μm, or even less than 50 μm.
[0024] Mention may be made more particularly of water-soluble fibers which include polyvinyl alcohol-based fibers, polysaccharide fibers such as glucomannans, starches, celluloses, such as carboxymethylcelluloses, polyalginic acid fibers, polylactic acid fibers, and polyalkylene oxide fibers, and mixtures thereof. More preferentially, the water-soluble fiber or fibers used in the invention are chosen from PVA-based fibers. The fibers of the envelope or webs are generally entangled. As indicated above, the term "envelope or sheet comprising water-soluble fibers" means an envelope or sheets which may consist entirely of water-soluble fibers or a sheet which may comprise both soluble fibers in the form of water-soluble fibers. water and insoluble fibers in water at a temperature of 35 ° C or lower, the soluble fibers to be in greater quantity than the insoluble fibers. The fiber web must have at least 60% by weight of soluble fibers, preferably at least 70% and more preferably at least 80% by weight based on the total weight of the fibers.
[0025] It can thus comprise, for example, more than 95% by weight, or even more than 99% by weight and even 100% by weight of water-soluble fibers relative to the total weight of the fibers of the envelope or webs. When the fiber web contains insoluble fibers, these may be of any material usually used as insoluble fiber; it may be for example silk fibers, cotton, wool, linen, polyamide (Nylon®), oolylactic acid, modified cellulose (rayon, viscose, rayon acetate), poly-p phenylene terephthalamide, in particular Kevlar®, polyolefin and in particular polyethylene or polypropylene, glass, silica, aramid, carbon, in particular in graphite form, Teflon®, insoluble collagen, polyesters, polychlorinated e- vinyl or vinylidene, polyethylene terephthalate, fibers formed from a mixture of the above-mentioned compounds, such as polyamide / polyester or viscoselpolester fibers. In addition, the envelope and the webs of the invention may be woven or non-woven. According to a particular embodiment, the envelope and the webs of the invention are woven. In the context of the present invention, a "woven" material results from an organized assembly of fibers, in particular of water-soluble polymeric fibers, and more particularly of an intersection, in the same plane, of said fibers, arranged in the direction of the warp and fibers arranged, perpendicular to the warp fibers, in the weft direction. The binding obtained between these warp and weft fibers is defined by an armor. Such a woven material results from an operation to assemble the fibers in an organized manner such as weaving itself, but may also result from knitting. More particularly, the two layers or webs comprising the woven polymeric water-soluble fibers which constitute the envelope of the packaging article of the invention do not include any additional layer superimposed on them. According to another particularly advantageous embodiment of the invention, the envelope and the plies are non-woven. For the purposes of the present invention, the term "nonwoven" means a substrate comprising fibers, in particular of water-soluble polymeric fibers, in which the individual fibers are arranged in a disordered manner in a sheet-like structure and which are not woven, neither knitted. The fibers of the nonwoven are generally bonded together, either under the effect of a mechanical action (eg needling, air jet, water jet, etc.), or under the effect of a thermal action , or by adding a binder.
[0026] Such a nonwoven is for example defined by the ISO 9092 standard as a web or a layer of directionally or randomly oriented fibers, linked by friction and / or cohesion and / or adhesion, excluding paper and products obtained by weaving, knitting, tufting or stitching incorporating binding yarns or filaments. A nonwoven differs from a paper by the length of the fibers used. In paper, the fibers are shorter. However, there are nonwovens based on cellulosic fiber which are made wet and have short fibers as in paper. The difference between a nonwoven and a paper is generally the absence of hydrogen bonding between the fibers in a nonwoven. Very preferably, the fibers used in the context of the present invention are chosen from synthetic fibers such as PVA fibers. Particularly the envelope and webs of the invention are nonwoven, and preferably non-woven PVA fibers. In order to produce the water-soluble non-woven web or sheets of the envelope of the packaging article, use is preferably made of water-soluble PVA fibers at a temperature of less than or equal to 35 ° C., for example the fibers sold. by the Japanese company Kuraray under the name KURALON K-II, and particularly the soluble WN2 grade from 20 ° C. These fibers are described in EP-A636716 which teaches the manufacture of water-soluble PVA fibers at temperatures not exceeding 100 ° C., by spinning and stretching the polyvinyl alcohol polymer in the dry or wet state. in the presence of solvents involved in the solubilization and solidification of the fiber. The fiber thus obtained can lead to the production of woven or non-woven substrates. According to one particular embodiment of the invention, the PVA fibers of the examples of EP-A-636716 are used, in particular Example 2 and Comparative 1: SOLVRON SS commercial product.
[0027] These fibers can also be prepared from a spinning solution, by dissolving a water-soluble PVA-based polymer, in a first organic solvent, spinning the solution into a second organic solvent to obtain solidified filaments and wet stretching of the filaments from which the first solvent is removed and then dried and subjected to heat treatment. The section of these fibers may be substantially circular. These fibers have a tensile strength of at least 2.7 g / dtex (3 g / d). EP-A-0 636 716 describes such water-soluble PVA-based fibers and their method of manufacture. For example, the fibers can also be formed by extrusion and deposited on a conveyor to form a sheet of fibers which is then consolidated by a conventional technique of fiber bonding, such as, for example, needling, hot-bonding, calendering or the linking by jets of hot air (in English air through bonding), technique in which the water-soluble sheet passes through a tunnel where is blown hot air, or hydrolysis to bind the fibers under the action of fine jets of water under very high pressure, which can not be applied to fibers whose dissolution temperature is too low pressure. As we have seen previously, the invention is not limited to the use of PVA, and it is also possible to use fibers made of other water-soluble materials provided that these materials dissolve in water having the desired temperature, for example polysaccharide fibers marketed under the name LYSORB by the company LYSAC TECHNOLOGIES, INC or other polysaccharide-based polymer fibers such as glucomannans or starch. The layers of the envelope may comprise a mixture of different fibers soluble in water at different temperatures (up to 35 ° C). The fibers may be composite, and they may comprise for example a core and a sheath of the same nature, for example formed of different grades of PVA. According to a particular embodiment of the invention, the layer or plies of the envelope have a nonwoven, comprising water-soluble fibers, alone or mixed with insoluble fibers as indicated above, with at most 40% by weight. insoluble fiber weight relative to the total weight of the fibers constituting the web. Preferably, the nonwoven consists essentially of water-soluble fibers, i.e. it does not contain insoluble fibers. The envelope may have any shape suitable for the intended use, for example a rectangular, round or oval shape, and it preferably has dimensions allowing its gripping between two fingers at least. Thus, the envelope or the layers may have for example an ovoid shape of about 2 to 10 cm long and about 0.5 to 4 cm wide, or a circular disc shape of about 2 to 10 cm of diameter, or a square shape of about 5 to 15 cm square, or a rectangle shape of a length of about 5 to 25 cm, it being understood that it may have any other shape and size suitable for sought-after use. Advantageously, the envelope and the layers have a small thickness, the layers may consist of several layers. Preferably the thickness of the envelope and webs ranges from 3% to 99.9% of its other dimensions. This thickness is in particular less than 100 mm. The envelope and the layers are thus substantially flat, thin slices. The surface delimiting the cavity or cavities has an extent generally less than 625 cm 2, and for example between 400 cm 2 and 0.025 cm 2. One can for example use an envelope and webs as defined in the French patent application FR 12 611 20 filed November 22, 2012.
[0028] The article according to the present invention may comprise one or more nonwoven webs and water-soluble envelope. Preferably, the amount of the envelope present in the article according to the invention is between 0.5% and 20.0% by weight, based on the total weight of said article; advantageously included inclusively between 1.0% and 10.0%, especially between 2.0% and 5.0% inclusive; more particularly 3% by weight relative to the total weight of the packaging article. Figure la) represents a cross-section of a particular embodiment of the packaging article comprising the envelope i) consisting of two sheets, preferably water-soluble 11 and 12 joined together at a peripheral region 14. Preferably the two plies are joined by any suitable fastening means such as gluing, welding including heat sealing, particularly by entanglement. The first ply 11 furthermore has a free central region D arranged opposite a free central region D of the second ply 12. These two central regions delimit a central cavity, said cavity contains an anhydrous coloring composition as defined above 13 comprising at least one oxidation dye optionally mixed with other ingredients. The plies 11 and 12 have a closed outer periphery. The shape of the outer periphery 15 is for example rounded, such as circular or elliptical, or polygonal, such as square, rectangular, triangular, preferably circular. Figure 1 b) shows a view from above of the packaging article as described in FIG. la) in which part D corresponds to the cavity or "central region" in which the anhydrous coloring composition as defined above 13 is, and d corresponds to the peripheral region which joins the two sheets 11 and 12 hermetically. FIG. 1c) represents a cross-section of a particular embodiment of the packaging article comprising an envelope consisting of two sheets 11 and 12 that are preferably water-soluble, and comprising an additional layer 16, preferably water-soluble, and possibly other layers. additional layers 17 preferably water-soluble, which define several cavities in which are housed the ingredients as the anhydrous dye composition as defined above comprising at least one oxidation dye 18, chemical oxidizing agents and direct dyes 19 or persalts in powder 20 as defined below.
[0029] The first ply 11 has a thickness less than its other dimensions, for example less than 10% of its maximum transverse dimension D + 2d. The thickness of the first ply 11 is for example less than 10 mm and in particular between 0.1 mm and 3 mm. Its maximum transverse dimension D + d is for example less than 100 mm, and is in particular between 10 mm and 60 mm inclusive. The first ply 11 thus forms a web, for example of non-woven fabric itself, which may consist of several veils of non-woven fabrics bound together. The second ply 12 also has a closed outer periphery. The outer periphery 15 of the first layer 11 is substantially identical in shape to the outer periphery 15 of the second layer 12. The second ply 12 has a thickness less than its other dimensions, for example less than 10% of its maximum transverse dimension D + 2d. The thickness of the second sheet 12 preferably water-soluble is for example less than 10 mm and in particular between 0.1 mm and 3 mm. Its maximum transverse dimension D + 2d is less than 100 mm, and is in particular between 10 mm and 60 mm. The thickness is advantageously measured according to the EDANA WSP 120.1 (5) standard.
[0030] The second ply 12 is advantageously a nonwoven. The first ply 11 and the second ply 12, which may be identical or of different thicknesses, densities and / or compositions, are preferably water-soluble nonwovens at a temperature of less than or equal to 35 ° C. The nonwoven webs and wrap are soluble in an aqueous solution, such as water.
[0031] The envelope and nonwoven webs are preferably in PVA. As a variant, the second ply may be formed by the first folded ply on itself 11 'represented by FIG. 1d) in cross-section and FIG. 1a) in a view from above. The ply is folded on itself along the fold axis e which defines a cavity in which the coloring composition comprising at least one oxidation dye 18 'and optionally at least one chemical oxidizing agent as defined below is located. and / or at least one direct dye as defined hereinafter preferably in powder and / or excipients as defined below, preferably powder 19 'optionally separated by one or more water-soluble plies 16'. The web 11 'once filled with the ingredients 19' and the water-soluble ply or plies 16 ', is folded along the axis e, forming a fold zone 15' and then joined at a peripheral region 14, hatched portion of fig. e), preferably by any suitable fastening means such as gluing, welding including heat sealing, in particular by entanglement. The thickness of the water-soluble sheet 11 'and the transverse dimensions meet the same criteria as those defined for the sheet 11 or 12 of FIG. 1b). The fibers forming the first ply 11, or 11 'and the second ply 12, and the additional plies 16, 16', and 17 are preferably water-soluble, i.e. made of water-soluble fibers. These fibers are, for example, non-woven water-soluble fibers, such as PVA fibers, polysaccharide fibers, glucomannans or starches, or any other polymer or compound capable of forming fibers or yarns, obtained for example by extrusion, soluble in water. The plies 11, 11 'and 12 and the additional optional plies 16, 16' and 17, preferably of non-woven generally have a grammage less than or equal to 60 g / m2, or even less than or equal to 50 g / m2, even better less than or equal to 45 g / m2. Alternatively, the basis weight of at least one layer may be greater than 60 g / m 2. Packaging articles comprising water-soluble fibers according to the invention are preferably soluble in water or in an aqueous composition with a dissolution time of the conditioning article preferably at most one hour. Process for preparing the packaging article: The envelope i) delimits or defines a cavity which is filled with an anhydrous coloring composition ii) comprising at least one oxidation dye preferably in powder or paste and optionally at least one anhydrous chemical oxidizing agent iii), preferably in powder or paste, the article is then closed by folding the envelope i) on itself with its contents followed by an assembly at its periphery for example by gluing or welding preferably by heat-sealing, or if the article contains an envelope consisting of two layers, the coloring composition ii) is deposited on the first layer, preferably in powder or paste and optionally at least one chemical oxidizing agent, preferably in powder form iii ) the article is closed with a second sheet which covers the ingredients ii) and iii) deposited on the first sheet and which is assembled for example by gluing or welding and at its periphery, preferably by heat-sealing at its periphery, so as to obtain a hermetic article which does not allow the powders or pastes contained in said article to pass into the atmosphere. When the envelope and the plies comprise several water-soluble sheets of non-woven fabrics, these can be assembled in particular by heat-sealing at their periphery. Preferably the heat sealing is performed with entanglement of the fibers of the parts of the envelope to be welded. Ii) at least one oxidation dye As previously indicated, the dye composition is in the form of a paste or an anhydrous powder, preferably in the form of a powder. In addition, the coloring composition comprises one or more oxidation dyes, namely one or more oxidation bases optionally combined with one or more couplers. By way of example, the oxidation bases are chosen from para-phenylenediamines, bis-phenylalkylenediamines, para-aminophenols, ortho-aminophenols, heterocyclic bases and their addition salts.
[0032] Among the paraphenylenediamines, there may be mentioned, for example, para-phenylenediamine, paratoluylenediamine, 2-chloro-para-phenylenediamine, 2,3-dimethyl-para-phenylenediamine, 2,6-dimethyl-para-phenylenediamine, 2,6-diethyl paraphenylenediamine, 2,5-dimethyl-para-phenylenediamine, N, N-dimethyl-para-phenylenediamine, N, N-diethyl-para-phenylenediamine, N, N-dipropyl-para-phenylenediamine, 4-amino-N, N-diethyl-3-methylaniline, N, N- bis - ((3-hydroxyethyl) paraphenylenediamine, 4-N, N-bis - ((3-hydroxyethyl) amino 2-methyl aniline, 4-N, N-bis - ((3-hydroxyethyl) amino 2-chloro aniline, 2 (3-hydroxyethyl paraphenylenediamine, 2-fluoro-para-phenylenediamine, 2-isopropyl-para-phenylenediamine, N - ((3-hydroxypropyl) para-phenylenediamine, 2-hydroxymethyl-para-phenylenediamine, N, N-dimethyl-3-methyl-para-phenylenediamine, N, N- (ethyl, 3-hydroxyethyl) paraphenylenediamine, N - ([3,7-dihydroxyprop] yl) paraphenylenediamine, N- (4'-aminophenyl) paraphenylenediamine, N-phenyl paraphenylenediamine, 2 (3-hydroxyethyloxy) paraphenylenediamine, 2- (3-acetylaminoethyloxy) paraphenylenediamine, N - ((3-methoxyethyl) paraphenylenediamine, 4-aminophenylpyrrolidine, 2-thienyl paraphenylenediamine, 213 hydroxyethylamino 5-amino toluene, 3-hydroxy 1- (4'-aminophenyl) pyrrolidine and their addition salts with an acid. Of the paraphenylenediamines mentioned above, paraphenylenediamine, paratoluylenediamine, 2-isopropyl paraphenylenediamine, 2 (3-hydroxyethyl paraphenylenediamine, 2 (3-hydroxyethyloxy) paraphenylenediamine, 2,6-dimethyl paraphenylenediamine, 2,6 ethyl paraphenylenediamine, 2,3-dimethyl paraphenylenediamine, N, N-bis - ((3-hydroxyethyl) paraphenylenediamine, 2-chloro-para-phenylenediamine, 2 (3-acetylaminoethyloxy) para-phenylenediamine, and their acid addition salts Particularly preferred bis-phenylalkylenediamines include, for example, N, N'-bis - ((3-hydroxyethyl) N, N'-bis (4'-aminophenyl) -1,3 diamino propanol, N, N'-bis - ((3-hydroxyethyl) N, N'-bis- (4'-aminophenyl) ethylenediamine, N, N'-bis- (4-aminophenyl) tetramethylenediamine, N, N'-bis ((3-hydroxyethyl) N, N'-bis (4-aminophenyl) tetramethylenediamine, N, N'-bis- (4-methylaminophenyl) tetram thylenediamine, N, N'-bis- (ethyl) N, N'-bis- (4'-amino, 3'-methylphenyl) ethylenediamine, 1,8-bis (2,5-diamino phenoxy) -3 , 6-dioxaoctane, and their addition salts. Among para-aminophenols, para-aminophenol, 4-amino-3-methylphenol, 4-amino-3-fluoro phenol, 4-amino-3-chlorophenol, 4- amino 3-hydroxymethyl phenol, 4-amino-2-methylphenol, 4-amino-2-hydroxymethylphenol, 4-amino-2-methoxymethylphenol, 4-amino-2-aminomethylphenol, 4-amino-2- hydroxyethyl aminomethyl) phenol, 4-amino-2-fluoro phenol, and their addition salts with an acid.
[0033] Among the ortho-aminophenols, mention may be made, for example, of 2-amino phenol, 2-amino-5-methylphenol, 2-amino-6-methylphenol and 5-acetamido-2-aminophenol, and their addition salts. Among the heterocyclic bases that may be mentioned by way of example are pyridine derivatives, pyrimidine derivatives and pyrazole derivatives. Among the pyridine derivatives, mention may be made of the compounds described for example in patents GB 1 026 978 and GB 1 153 196, such as 2,5-diaminopyridine, 2- (4-methoxyphenyl) amino 3-amino pyridine, 3,4-diamino pyridine, and their addition salts. Other pyridinic oxidation bases useful in the present invention are the 3-amino pyrazolo [1,5-a] pyridines oxidation bases or their addition salts described for example in the patent application FR 2801308. By way of example, mention may be made of pyrazolo [1,5-a] pyridin-3-ylamine; 2-acetylamino pyrazolo [1,5-a] pyridin-3-ylamine; 2-morpholin-4-yl-pyrazolo [1,5-a] pyridin-3-ylamine; 3-amino-pyrazolo [1,5-a] pyridin-2-carboxylic acid; 2-methoxy-pyrazolo [1,5-a] pyridin-3-ylamino; (3-Amino-pyrazolo [1,5-a] pyridin-7-yl) -methanol; 2- (3-Amino-pyrazolo [1,5-a] pyridin-5-yl) -ethanol; 2- (3-Amino-pyrazolo [1,5-a] pyridine-7-yl) -ethanol; (3-Amino-pyrazolo [1,5-a] pyridin-2-yl) -methanol; 3,6-diamino-pyrazolo [1,5-a] pyridine; 3,4-diaminopyrazolo [1,5-a] pyridine; pyrazolo [1,5-a] pyridine-3,7-diamine; 7-morpholin-4-ylpyrazolo [1,5-a] pyridin-3-ylamine; pyrazolo [1,5-a] pyridine-3,5-diamine; 5-morpholin-4-yl-pyrazolo [1,5-a] pyridin-3-ylamine; 2 - [(3-amino-pyrazolo [1,5-a] pyridin-5-yl) - (2-hydroxyethyl) amino] ethanol 2 - [(3-amino-pyrazolo [1,5-a]) pyridin-7-yl) - (2-hydroxyethyl) amino] ethanol; 3-amino-pyrazolo [1,5-a] pyridin-5-ol; 3-aminopyrazolo [1,5-a] pyridin-4-ol; 3-amino-pyrazolo [1,5-a] pyridin-6-ol; 3-aminopyrazolo [1,5-a] pyridin-7-ol; 2 (3-Hydroxyethoxy-3-amino-pyrazolo [1,5-a] pyridine, 2- (4-dimethylpiperazinium-1-yl) -3-amino-pyrazolo [1,5-a] pyridine, as well as More preferably, the 3-amino-pyrazolo [1,5-4-pyridines substituted in the 2-position with (a) a (di) (C 1 -C 6) (alkyl) amino group, the alkyl groups which may be substituted by one or more hydroxy, amino, or imidazolium groups; b) a heterocycloalkyl group comprising from 5 to 7 members, and from 1 to 3 heteroatoms, cationic or not, optionally substituted by one or more (C1-C6) alkyl groups such as di (C1-C4) alkylpiperazinium; c) a (C1-C6) alkoxy group optionally substituted by one or more hydroxyl groups such as 3-hydroxyalkoxy and their addition salts. Among the pyrimidine derivatives, mention may be made of the compounds described, for example, in DE 2359399; JP 88-169571; JP 05-63124; EP 0770375 or patent application WO 96/15765 such as 2,4,5,6-tetraaminopyrimidine, 4-hydroxy 2,5,6-triaminopyrimidine, 2-hydroxy 4,5,6-triaminopyrimidine, 2 , 4-dihydroxy-5,6-diaminopyrimidine, 2,5,6-triaminopyrimidine and their addition salts and tautomeric forms, when tautomeric equilibrium exists.
[0034] Among the pyrazole derivatives, mention may be made of the compounds described in DE 3843892, DE 4133957 and patent applications WO 94/08969, WO 94/08970, FR-A-2 733 749 and DE 195 43 988 as the 4.5 1-methyl pyrazole, 4,5-diamino-1 - ((3hydroxyethyl) pyrazole, 3,4-diamino pyrazole, 4,5-diamino-1- (4'-chlorobenzyl) pyrazole, diamino 1,3-dimethyl pyrazole, 4,5-diamino-3-methyl-1-phenyl pyrazole, 4,5-diamino-1-methyl-3-phenylpyrazole, 4-amino-1,3-dimethyl-5-hydrazino pyrazole, 1-Benzyl-4,5-diamino-3-methyl-pyrazole, 4,5-diamino-3-tert-butyl-1-methyl-pyrazole, 4,5-diamino-1-tert-butyl-3-methyl-pyrazole, 4,5 -diamino 1 - ((3-hydroxyethyl) 3-methyl pyrazole, 4,5-diamino-1-ethyl-3-methyl-pyrazole, 4,5-diamino-1-ethyl-3- (4'-methoxyphenyl) pyrazole, 5-diamino-1-ethyl-3-hydroxymethyl pyrazole, 4,5-diamino-3-hydroxymethyl-1-methyl-pyrazole, 4,5-diamino-3-hydroxymethyl-1-isopropyl pyrazole, 4,5-diamino-3-meth 1-isopropyl pyrazole, 4-amino 5- (2'-aminoethyl) amino 1,3-dimethyl pyrazole, 3,4,5-triamino pyrazole, 1-methyl 3,4,5-triamino pyrazole, 3,5-diamino-1-methyl-4-methylamino pyrazole, 3,5-diamino 4 - ((3-hydroxyethyl) amino-1-methyl pyrazole, and their addition salts. It is also possible to use 4-5-diamino-1 - ((3-methoxyethyl) pyrazole The oxidation base (s) present in the composition of the invention are generally present in an amount ranging from 0.001% to 20% by weight. about the total weight of the dyeing composition, preferably ranging from 0.005 to 6%.
[0035] If the composition contains at least one oxidation base, the composition according to the invention preferably contains one or more couplers conventionally used for dyeing keratinous fibers. Among these couplers, there may be mentioned meta-phenylenediamines, meta-aminophenols, meta-diphenols, naphthalenic couplers, heterocyclic couplers and their addition salts.
[0036] By way of example, mention may be made of 1,3-dihydroxybenzene, 1,3-dihydroxy-2-methylbenzene, 4-chloro-1,3-dihydroxybenzene and 2,4-diamino-1- hydroxyethyloxy) benzene, 2-amino 4- (11-hydroxyethylamino) 1-methoxybenzene, 1,3-diamino benzene, 1,3-bis- (2,4-diaminophenoxy) propane, 3-ureido aniline, 3-ureido-dimethylamino benzene, sesamol, 1-11-hydroxyethylamino-3,4-methylenedioxybenzene, α-naphthol, 2-methyl-1-naphthol, 6-hydroxyindole, 4-hydroxyindole, 4-hydroxy N-methylindole, 2-amino-3-hydroxypyridine, 6-hydroxybenzomorpholine 3,5-diamino-2,6-dimethoxypyridine, 1-N- (11-hydroxyethyl) amino-3 , 4-methylene dioxybenzene, 2,6-bis- (11-hydroxyethylamino) toluene, 6-hydroxy indoline, 2,6-dihydroxy-4-methyl pyridine, 1-H 3 -methyl pyrazole 5-one, 1-phenyl-3-methyl pyrazole-5-one, 2,6-dimethyl pyrazolo [1,5-b] -1,2,4-triazole, 2,6-dimethyl [3,2-c] -1, 2,4-triazole, 6-methyl pyraz olo [1,5-a] benzimidazole, their addition salts with an acid, and mixtures thereof.
[0037] In the composition of the present invention, the coupler or couplers are generally present in an amount ranging from 0.001 to 20% by weight of the total weight of the dyeing composition, preferably ranging from 0.005 to 6%. In general, the addition salts of the oxidation bases and couplers that can be used in the context of the invention are chosen especially from the addition salts with an acid such as hydrochlorides, hydrobromides, sulphates, citrates, succinates, tartrates, lactates, tosylates, benzenesulfonates, phosphates and acetates. According to a particular embodiment of the invention, the packaging article also contains one or more direct dyes, synthetic or natural, chosen from ionic or nonionic species, preferably cationic or nonionic, in addition to the dye (s) oxidation, said direct dyes being in the form of powder or anhydrous paste. According to a preferred embodiment, the direct dye (s) are mixed with the oxidation dye (s) in the same cavity. According to another variant, the direct dye (s) are in the separate packaging article of the oxidation dye (s) by one or more layers as defined above, defining a cavity in which the direct dye (s) is housed. According to one variant, the direct dye (s) are mixed with the chemical oxidation agents separated from the oxidation dyes by a web. As examples of suitable direct dyes, mention may be made of azo direct dyes; (poly) methine dyes such as cyanines, hemicyanins, and styryls; carbonyls; azinic; nitro (hetero) aryl; tri- (hetero) aryl methanes; porphyrins; phthalocyanines and natural direct dyes, alone or in mixtures. Among the natural direct dyes that may be used according to the invention, lawsone, juglone, alizarin, purpurine, carminic acid, kermesic acid, purpurogalline, protocatechaldehyde, indigo, isatin , curcumin, spinulosin, apigenidine, orceins. It is also possible to use the extracts or decoctions containing these natural dyes, and in particular poultices or extracts made from henna. When present, the direct dye (s) more particularly represents from 0.001 to 10% by weight of the total weight of the composition or compositions contained in the packaging article, and preferably from 0.005 to 6% by weight relative to to the total weight. According to one embodiment of the invention, the packaging article is devoid of direct dye. Oxidizing Agent: The packaging article of the invention may comprise one or more anhydrous oxidizing agents iii), preferably in powder or paste form.
[0038] More particularly, the anhydrous chemical oxidizing agent (s) iii) are chosen from peroxygenated salts such as, for example, persulfates, perborates, peracids and their precursors, alkali metal or alkaline-earth metal percarbonates, such as sodium carbonate peroxide. or called sodium percarbonate and peracids and their precursors; peroxygenated salts such as, for example, persulfates, perborates, peracids and their precursors, alkali or alkaline earth metal percarbonates, such as sodium peroxide peroxide or sodium percarbonate and peracids and their precursors; alkali metal bromates or ferricyanides, solid hydrogen peroxide-generating oxidizing agents such as urea peroxide and polymeric complexes capable of releasing hydrogen peroxide, especially those comprising a vinyl heterocyclic monomer such as polyvinylpyrrolidone complexes; H202 in particular being in the form of powders; the oxidases producing hydrogen peroxide in the presence of a suitable substrate (for example glucose in the case of glucose oxidase or uric acid with uricase) According to a particular embodiment, the oxidizing agent iii) is selected from hydrogen peroxide and polymer complexes containing as monomer at least one vinyl heterocyclic monomer. More particularly, the vinyl heterocyclic monomer is chosen from monomers comprising a heterocycle having 4 to 6 ring members, optionally fused to a benzene ring and comprises from 1 to 4 identical or different intracyclic heteroatoms; the number of intracyclic heteroatoms being lower than that of the heterocyclic rings. Preferably, the number of intracyclic hetero atoms is 1 or 2. More particularly, the heteroatom (s) are chosen from sulfur, oxygen and nitrogen, preferably from nitrogen and oxygen. According to an even more advantageous embodiment of the invention, the monomer comprises at least one intracyclic nitrogen atom. The vinyl heterocycle may optionally be substituted by one or more C1-C4 alkyl groups, preferably C1-C2 alkyl groups. Preferably, the heterocyclic monomer is selected from N-vinyl monomers. Among the monomers that can be envisaged, mention may be made of the following optionally substituted monomers: N-vinylpyrrolidone, vinylcaprolactam, N-vinylpiperidone, N-vinyl-3-morpholine, N-vinyl-4-oxazolinone, 2-vinylpyridine, 4- vinylpyridine, 2-vinylquinoline, 1-vinylimidazole, 1-vinylcarbazole. Preferably, the monomer is optionally substituted N-vinylpyrrolidine. According to a particularly advantageous embodiment of the invention, the polymer is a homopolymer. However, it is not excluded to use a copolymer. In such a case, the comonomer or comonomers are chosen from vinyl acetate, (meth) acrylic acids, (meth) acrylic amides, substituted (meth) acrylic acid C1-C4 alkyl esters or no.
[0039] The polymer involved in this complex is preferably soluble in water. It can have variable average molecular weights, preferably between 103 and 3.106 g / mol, preferably between 103 and 2.106 g / mol. It is also possible to use mixtures of such polymers. Advantageously, said complex comprises from 10 to 30% by weight of hydrogen peroxide, more particularly from 13 to 25% by weight and preferably from 18 to 22% by weight, relative to the total weight of the complex. According to an even more advantageous variant of the invention, in this complex, the molar ratio between the vinyl heterocyclic monomer (s) and the hydrogen peroxide ranges from 0.5 to 2, preferably from 0.5 to 1.
[0040] This complex is advantageously in the form of a substantially anhydrous powder. Complexes of this type are described in particular in US5,008,106, US5,077,047, EP 832846, EP 714919, DE 4344131, DE 19545380 and the other polymeric complexes described in US 5,008,093; US 3,376,110; US 5,183,901.
[0041] By way of examples of complexes, mention may be made, for example, of the products of the Peroxydone K-30, Peroxydone K-90, Peroxydone XL-10 type as well as the complexes formed with hydrogen peroxide and one of the following polymers of Plasdone K-17, Plasdone K-25, Plasdone K-29/32, Plasdone K-90, Polyplasdone INF-10, Polyplasdone XL-10, Polyplasdone XL, Plasdone S-630, Styleze 2000 Terpolymer, Ganex copolymer series, marketed by ISP. According to one particular embodiment of the invention, the packaging article contains one or more solid chemical oxidizing agents selected from among a) urea peroxide, b) the polymeric complexes which may be releasing hydrogen peroxide selected from polyvinylpyrrolidone / H 2 O 2 complexes; (c) perborates and (d) percarbonates; preferably, the packaging article contains one or more percarbonates as chemical oxidizing agents.
[0042] The packaging article according to the invention advantageously contains from 0.1 to 70% by weight of chemical oxidizing agent, preferably from 1 to 55% by weight relative to the total weight of the packaging article. According to one variant, the packaging article of the invention does not comprise an oxidizing agent. According to this variant, if it is necessary to carry out the coloration in the presence of an oxidizing agent, then the packaging article may be first dissolved in an aqueous composition to which at least one oxidizing agent is subsequently added. chemical, either directly dissolved in an oxidizing composition comprising at least one chemical oxidizing agent. The chemical oxidizing agent can in this case an oxidizing agent such as hydrogen peroxide. The oxidizing agent may also be added to the aqueous composition in the form of a packaging article as defined above but containing no oxidation dyes.
[0043] Other ingredients The packaging item may contain other ingredients. The conditioning article may contain iv) one or more alkaline agents. The alkaline agent (s) may be in the packaging article either associated with the oxidation dyes, or separated from the dyes by one or more layers as defined above. The alkaline agent (s) are (are) more particularly chosen from silicates and metasilicates such as alkali metal metasilicates, alkali metal or alkaline earth metal carbonates or hydrogen carbonates, such as lithium, sodium, potassium, magnesium, calcium, barium, and their mixtures. Preferably, the alkaline agent (s) are chosen from silicates, metasilicates, alkali metal carbonates, and mixtures thereof. The concentration of alkaline agents advantageously represents from 0.01 to 40% by weight, and preferably from 0.1 to 30% by weight, of the total weight of the composition (s) contained in the packaging article. According to a particular embodiment of the invention the packaging article contains y) one or more ammonium salts. The ammonium salt or salts that may be present in the packaging article are either associated with the oxidation dyes, or associated with the direct dyes, or are separated from the dyes by one or more water-soluble layers as defined above, defining a cavity in which is housed the said salt or salts. According to a particular variant, the packaging article comprises one or more ammonium salts chosen from ammonium halides, such as ammonium chloride, ammonium sulfate, ammonium phosphate or ammonium nitrate. . According to an even more advantageous embodiment of the invention, the ammonium salt is ammonium chloride or ammonium sulfate.
[0044] The concentration of ammonium salt (s), if they are present, is advantageously between 0.01% and 40% by weight relative to the total weight of the composition (s) contained in the packaging article, preferably from 0.1 to 30% by weight relative to the total weight of the composition or compositions contained in the packaging article.
[0045] In the case where the dye composition is in the form of a paste, it further comprises vi) one or more liquid fatty substances. For the purposes of the present invention, the term "liquid" means any compound capable of flow at ambient temperature, generally between 15 ° C. and 40 ° C., and at atmospheric pressure, under the action of its own weight.
[0046] As examples of liquid fatty substances, mention may be made of polydecenes of formula C1onH [(20n) +2] in which n varies from 3 to 9 and preferably from 3 to 7, the esters and in particular the esters of fatty alcohols or fatty acids, esters or diesters of C12-C24 fatty acid sugars, or cyclic esters, cyclic ethers, silicone oils, mineral oils, vegetable oils or animal oils , or their mixtures. Preferably, the liquid fatty substance or fats are chosen from polydecenes of formula C1on1-1 [(20n) +2] in which n varies from 3 to 9 and preferably from 3 to 7, the esters of fatty alcohols or d fatty acids, liquid petrolatum, paraffin oil, and mixtures thereof. Preferably, one or more mineral oil (s) can be found in the packaging article, in particular associated with the oxidation dye (s), such as, for example, paraffin oil, petroleum jelly, preferably petroleum jelly. The content of liquid fatty substance (s) varies, in the composition (s) contained in the packaging article, if they are (are) present (s) advantageously from 10 to 50% by weight relative to the weight. of the composition (s) contained in the packaging article, and preferably from 20 to 50% by weight relative to the weight of the composition (s) contained in the packaging article. The anhydrous composition according to the invention in the form of a paste and comprising a liquid fatty substance can be advantageously prepared by dispersing, under mechanical action, all the compounds in the form of powder in the liquid fatty substance, in which one has previously dispersed or mixed the other liquid compounds of the composition. The dough can also be prepared by extrusion, by introducing the liquid and solid phases of the composition into an extruder, and then mixing them at a temperature below 25 ° C using a co-rotating twin-screw compound system. of transport and kneading elements. According to one particular embodiment, the packaging article of the invention comprises vii) one or more thickening polymer (s), this latter one (s) being able to be in said article or with the dye (s) (s) oxidation, or separated (s) from the other ingredients by one or more water-soluble sheet (s) as (s) as defined previously. Advantageously, the thickening polymers are chosen from the following polymers: (a) nonionic amphiphilic polymers comprising at least one fatty chain and at least one hydrophilic unit; (b) anionic amphiphilic polymers having at least one hydrophilic unit, and at least one fatty chain unit; (c) crosslinked acrylic acid homopolymers; (d) cross-linked homopolymers of 2-acrylamido-2-methyl-propane sulfonic acid and their partially or fully neutralized acrylamide cross-linked copolymers; (e) homopolymers of ammonium acrylate or copolymers of ammonium acrylate and acrylamide; (f) homopolymers of dimethylaminoethyl methacrylate quaternized with methyl chloride or copolymers of dimethylaminoethyl methacrylate quaternized with methyl chloride and acrylamide; (g) polysaccharides such as: (g1) scleroglucan gums (biopolysaccharide of microbial origin), (g2) gums derived from plant exudates such as gum arabic, Ghatti, Karaya and Tragacanthe; and (g3) celluloses and derivatives; (g4) guar gums and derivatives; or (g5) starches or derivatives. It should be noted that in the case of the present invention, the thickening polymers have a role on the viscosity of the ready-to-use composition, that is to say the composition resulting from the mixing of the packaging article. according to the invention with an aqueous composition. According to the invention, the amphiphilic polymers are more particularly hydrophilic polymers capable, in the medium of the composition, and more particularly an aqueous medium, of reversibly associating with each other or with other molecules. Their chemical structure more particularly comprises at least one hydrophilic zone and at least one hydrophobic zone. Hydrophobic group is understood to mean a radical or polymer with a hydrocarbon chain, saturated or unsaturated, linear or branched, comprising at least 8, preferably at least 10 carbon atoms, preferably from 10 to 30 carbon atoms, in particular from 12 to to 30 carbon atoms and more preferably from 18 to 30 carbon atoms. Preferably, the hydrocarbon group comes from a monofunctional compound. By way of example, the hydrophobic group may be derived from a fatty alcohol such as stearyl alcohol, dodecyl alcohol or decyl alcohol. It can also denote a hydrocarbon polymer such as for example polybutadiene. The thickening polymers are preferably used in an amount ranging from 0.01 to 15% by weight relative to the weight of the composition or compositions contained in the packaging article, and preferably from 0.1 to 10% by weight. relative to the weight of the composition or compositions contained in the packaging article. According to a particular embodiment, the packaging article of the invention comprises viii) one or more surfactants. The latter may be in said article with the oxidation dye (s), or separated from the other ingredients by one or more water-soluble layers as defined above, which define a cavity in which the surfactant (s) is housed. Preferably viii) are found with the oxidation dye (s) in the packaging article. For the purpose of the present invention, the term "surfactant" is intended to mean an agent comprising at least one hydrophilic group and at least one lipophilic group in its structure, and which is preferably capable of reducing the surface tension of the water, and comprising in its structure, as possible repeating units, alkylene oxide units and / or sugar units and / or siloxane units. Preferably, the lipophilic group is a fatty chain comprising from 8 to 30 carbon atoms. This or these surfactants may be chosen from anionic, amphoteric, nonionic or cationic surfactants or mixtures thereof. More particularly, the surfactants are chosen from nonionic and anionic surfactants. The surfactants that are suitable for carrying out the present invention are in particular the following: (a) Anionic surfactant (s): "Surfactant" anionic ", a surfactant having as ionic or ionizable groups only anionic groups. These anionic groups are preferably chosen from the groups -C (O) OH, -C (O) O-, -503H, -S (O) 20-, -OS (O) 20H, -OS (O) 20- , -P (O) OH 2, -P (O) 20 -, - P (O) O 2, -P (OH) 2, 35 = P (O) OH, -P (OH) O-, = P (O) 0-, = POH, = PO-, the anionic parts comprising a cationic counterion such as those derived from an alkali metal, an alkaline earth metal, or an amine or an ammonium. As examples of anionic surfactants that may be used in the composition according to the invention, mention may be made of alkyl sulphates, alkyl ether sulphates, alkylamido ether sulphates, alkylaryl polyether sulphates, monoglyceride sulphates, alkyl sulphonates, alkyl amide sulphonates and alkyl aryl sulphonates. , alpha-olefin sulfonates, paraffin sulfonates, alkylsulfosuccinates, alkylethersulfosuccinates, alkylamide-sulfosuccinates, alkylsulfoacetates, acylsarcosinates, acylglutamates, alkylsulfosuccinamates, acylisethionates and N-acyltaurates, monoester salts alkyl and polyglycoside-polycarboxylic acids, acyllactylates, D-galactoside-uronic acid salts, alkyl ether-carboxylic acid salts, alkyl aryl ether-carboxylic acid salts, alkyl acid salts amidoether carboxylic acids, and the corresponding non-salified forms of all these compounds, alkyl and acyl groups of all these compounds having from 6 to 24 carbon atoms and the aryl group denoting a phenyl group. These compounds may be oxyethylenated and then preferably comprise from 1 to 50 ethylene oxide units. The salts of C 6 -C 24 alkyl monoesters and of polyglycoside-polycarboxylic acids may be chosen from among the polyglycoside-citrates of alkyl at 06-024, polyglycoside-tartrates of C6-O24 alkyl and polyglycoside-sulphosuccinates. C6-024 alkyl. When the agent or the anionic surfactants are in the salt form, they may be chosen from alkali metal salts such as the sodium or potassium salt and preferably sodium salt, ammonium salts, amine salts and in particular aminoalcohols or alkaline earth metal salts such as magnesium salts. By way of example of aminoalcohol salts, mention may be made in particular of the salts of mono-, di- and triethanolamine, the salts of mono-, di- or tri-isopropanolamine and the salts of 2-amino-2-methyl -1-propanol, 2-amino-2-methyl-1,3-propanediol and tris (hydroxymethyl) amino methane. The alkali metal or alkaline earth metal salts and in particular the sodium or magnesium salts are preferably used. Of the abovementioned anionic surfactants, it is preferred to use (C 6 -C 24) alkyl sulphates, alkyl (C 6 -C 24) ethersulphates comprising from 2 to 50 ethylene oxide units, especially in the form of alkali metal salts, ammonium, aminoalcohols, and alkaline earth metals, or a mixture of these compounds. In particular, it is preferred to use (C 12 -C 20) alkyl sulphates, C 12 -C 20 alkyl ether sulphates comprising from 2 to 20 ethylene oxide units, especially in the form of alkali metal salts, ammonium salts, aminoalcohols, and alkaline earth metals, or a mixture of these compounds. More preferably, it is preferred to use sodium lauryl ether sulfate especially those with 2.2 moles of ethylene oxide. More preferentially, (C 12 -C 20) alkylsulfates such as alkali metal laurylsulfate such as sodium. (b) Amphoteric surfactant (s): The amphoteric or zwitterionic surfactant (s) of the invention are preferably non-silicones, and are especially derivatives of secondary or tertiary aliphatic amines, optionally quaternized, in which the Aliphatic group is a linear or branched chain having from 8 to 22 carbon atoms, said amine derivatives containing at least one anionic group such as, for example, a carboxylate group, sulfonate, sulfate, phosphate or phosphonate. Mention may in particular be made of (C 8 -C 20) alkyl betaines, sulphobetaines, (C 8 -C 20) alkylamidoalkyl (CeC 8) betaines and (C 8 -C 20) alkylamidalkyl (C 6 -C 8) sulphobetaines.
[0047] Among the amphoteric or zwitterionic surfactants mentioned above, use is preferably made of alkyl (C 8 -C 20) betaines such as cocobetaine, (C 8 -C 20) alkylamido (C 3 -C 8) alkyl betaines such as cocamidopropylbetaine, and their mixtures. More preferably, the amphoteric or zwitterionic surfactant (s) is (are) chosen from cocamidopropylbetaine and cocobetaine. (c) Cationic surfactant (s): The cationic surfactant (s) that may be used in the composition according to the invention comprise, for example, amine salts. primary, secondary or tertiary fats, optionally polyoxyalkylenated, quaternary ammonium salts, and mixtures thereof.
[0048] Among the cationic surfactants that may be present in the composition according to the invention, it is more particularly preferred to choose the salts of cetyltrimethylammonium, behenyltrimethylammonium, dipalmitoylethylhydroxyethylmethylammonium, and mixtures thereof, and more particularly behenyltrimethylammonium chloride, cetyltrimethylammonium chloride, dipalmitoylethylhydroxyethylammonium methosulfate, and mixtures thereof. (d) Nonionic surfactant (s): Examples of nonionic surfactants that can be used in the composition used according to the invention are described, for example, in "Handbook of Surfactants" by MR Porter, published by Blackie & Son ( Glasgow and London), 1991, pp 116-178.
[0049] As examples of nonionic surfactants, mention may be made of: oxyalkylenated (C 8 -C 24) alkyl phenols; saturated or unsaturated, linear or branched, oxyalkylenated or glycerolated C 8 -C 30 alcohols; saturated or unsaturated, linear or branched, oxyalkylenated C 8 -C 30 amides; saturated or unsaturated, linear or branched, C 8 -C 30 acid esters of polyethylene glycols; saturated or unsaturated, linear or branched C 8 -C 30 acid esters of polyoxyethylenated sorbitan; esters of fatty acids and of sucrose - alkyl (C 8 -C 30) polyglycosides, alkenyl (C 8 -C 30) poly-glycosides, optionally oxyalkylenated (0 to 10 oxyalkylenated units) and comprising 1 to 15 glucose units, alkyl (C8-C30) glucosides, vegetable oils oxyethylenated, saturated or not; condensates of ethylene oxide and / or propylene oxide, among others, alone or in mixtures; derivatives of N-alkyl (C8-C30) glucamine and N-acyl (C8-C30) methylglucamine; aldobionamides; amine oxides; Oxyethylenated and / or oxypropylenated silicones; Surfactants having a number of moles of ethylene oxide and / or propylene preferably ranging from 1 to 100, more preferably from 2 to 100 and preferably from 2 to 50, more preferably from 2 to 30. Advantageously, the nonionic surfactants do not comprise oxypropylene units.
[0050] According to a preferred embodiment of the invention, the nonionic surfactants are chosen from oxyethylenated C 8 -C 30 alcohols comprising from 1 to 100 moles, more particularly from 2 to 100 moles of ethylene oxide; linear or branched, saturated or unsaturated C8-C30 acid esters of polyoxyethylenated sorbitan comprising from 1 to 100 moles, more preferably from 2 to 100 moles of ethylene oxide.
[0051] By way of example of mono- or poly-glycerolated nonionic surfactants, the C 8 -C 40 mono- or polyglycerolated alcohols are preferably used. In particular, the mono- or poly-glycerolated C 8 -C 40 alcohols preferably correspond to the following formula (A 8): R 2 90 - [CH 2 -CH (CH 2 OH) -O] --H (A 8) Formula (A 8) in which: R29 represents a linear or branched C8-C40, preferably C8-C30, alkyl or alkenyl radical; and - m represents a number ranging from 1 to 30 and preferably from 1 to 10. By way of example of compounds of formula (A8) suitable within the scope of the invention, mention may be made of 4-lauryl alcohol. glycerol moles (INCI name: POLYGLYCERYL-4 LAURYL ETHER), lauric alcohol with 1.5 moles of glycerol, oleic alcohol with 4 moles of glycerol (INCI name: POLYGLYCERYL-4 OLEYL ETHER), oleic alcohol to 2 moles of glycerol (INCI name: POLYGLYCERYL-2 OLEYL ETHER), cetearyl alcohol to 2 moles of glycerol, cetearyl alcohol to 6 moles of glycerol, oleocetyl alcohol to 6 moles of glycerol, and octadecanol to 6 moles of glycerol. The alcohol of formula (A8) may represent a mixture of alcohols in the same way that the value of m represents a statistical value, which means that in a commercial product several species of polyglycerolated fatty alcohols may coexist in the form of a mixed.
[0052] Among the mono- or poly-glycerolated alcohols, it is more particularly preferred to use the alcohol C8 / 010 to one mole of glycerol, the alcohol C10 / 012 to 1 mole of glycerol and the alcohol in O12 to 1.5 mole of glycerol. Preferably, the nonionic surfactant used in the process of the invention in the composition is a mono or polyoxyalkylene nonionic surfactant, especially mono or polyoxyethylenated, mono or polyoxypropylenated, or their combination, more particularly mono or polyoxyethylenes, mono- or polyglycerolated surfactants and alkylpolyglucosides. Even more preferentially, the nonionic surfactants are chosen from polyoxyethylenated sorbitan esters, polyoxyethylenated fatty alcohols, alkylpolyglucosides and mixtures thereof. The surfactant (s) when they are (are) present, represent (s) more particularly 0.01% and 60% by weight relative to the total weight of the composition (s) (s) ) included in the packaging article, preferably between 0.5% and 30% by weight and even more preferably between 1% and 20% by weight of the composition (s) included (s) in the conditioning article. According to a particular embodiment, the packaging article of the invention comprises ix) one or more cationic or amphoteric substantive polymers. The latter may be in said article with the oxidation dye (s) or separated from the other ingredients by one or more water-soluble layers as defined above, which define a cavity in which the substantive polymer (s) is housed. Preferably ix) are found with the oxidation dye (s) in the packaging article. More particularly, the substantive polymers are chosen from cationic polymers. The substantivity (ie the hair depositability) of the polymers is conventionally determined using the test described by Richard J. Crawford, Journal of the Society of Cosmetic Chemists, 1980, 31- (5). - pages 273 to 278 (revealing by Red 80 acid dye). These substantive polymers are in particular described in the literature in the patent application EP-A-0557203. Among the substantive polymers of the dimethyldiallylammonium halide homopolymer or copolymer type that may be used according to the invention, mention may be made in particular of: - diallyldimethylammonium chloride polymers such as polyquaternium-6 - copolymers of diallyldimethylammonium chloride and of acid acrylic as that of proportions (80/20 by weight) sold under the name Merquat 280 Dry by Calgon; copolymers of dimethyldiallylammonium chloride and acrylamide.
[0053] Among the polymeric polymers of the methacryloyloxyethyltrimethylammonium halide polymer type that may be used according to the invention, mention may be made in particular of the products which are named in the CTFA dictionary (5th edition, 1993) "Polyquaternium 37", "Polyquaternium 32" and "Polyquaternium" 35 ", which respectively correspond, as regards" Polyquaternium 37 ", to the cross-linked poly (methacryloyloxyethyltrimethylammonium) chloride, in a 50% dispersion in mineral oil, and sold under the name Salcare SC95 by the company Allied Colloids, as regards "Polyquaternium 32", to the crosslinked copolymer of acrylamide and methacryloyloxyethyltrimethylammonium chloride (20/80 by weight), in a 50% dispersion in mineral oil, and sold under the name Salcare SC92 by the company Allied Colloids, and as regards the "Polyquaternium 35", with the methosulfate of the methacryloyloxyethyltrimethylammonium copolymer onium and methacryloyloxyethyldimethylacetylammonium. The substantive polymers of the polyammonium quaternary type that may be used according to the invention are the following: polymers consisting of repeating units corresponding to the following formula (a): - (CH 3) 2 N + - (CH 2) 3 - (CH 3) 2 N + - (CH 2 ) 6, 2X- with X-, identical or different, representing an anionic counterion as defined above, in particular halide such as gold, these polymers are prepared and described in French Patent 2,270,846; recurring units of formula (a) whose molecular weight, determined by gel permeation chromatography, is between 9500 and 9900; polymers consisting of repeating units corresponding to the following formula ([3): - (CH 3) 2 N + - (CH 2) 3 - (CH 3) 2 N + - (CH 2) 3, 2X- with X - as defined for (a) ), these polymers are prepared and described in French Patent 2,270,846, the recurring unit polymers of formula ([3), the molecular weight of which, determined by gel permeation chromatography, is about 1200; the polymers consisting of repeating units corresponding to the following formula (y): - (CH 3) 2 N + - (CH 2) pN (H) -C (O) -GN (H) - (Cl-12) p- (Cl- 13) 2N + - (CH2) 2-O- (C1-12) 2-, 2X-wherein p is an integer ranging from about 1 to about 6, G can be a bond or a group - (Cl-12) In which r denotes an integer of 4 or 7, these polymers are prepared and described in US Pat. Nos. 4,157,388, 4,390,689, 4,702,906 and 4,719,282; recursive pattern polymers of formula (y), the molecular weight of which has a molecular weight of less than 100,000, preferably less than or equal to 50,000. The packaging article of the invention may also comprise other additives Classically used in cosmetics The packaging article can thus comprise fillers such as clays; binders such as vinylpyrrolidone; lubricants such as polyol stearates or stearates of alkali or alkaline earth metals; hydrophilic or hydrophobic silicas; pigments; mattifying or opacifying agents such as titanium oxides; antioxidants such as erythorbic acid; reducing agents such as sodium metabisulfite; penetrating agents, sequestering agents, such as ethylenediamine tetraacetic or its salts; moisture-absorbing agents such as amorphous silicas, certain polyacrylates crosslinked or modified with hydrophobic groups such as, for example, Luquasorb 1010 products from BASF, Polytrap 6603 Adsorber from AMCOL; buffers; dispersants; film-forming agents; preservatives; vitamins ; perfumes ; ceramides, conditioning agents other than the substantive polymers ix) and cationic surfactants mentioned above. The composition according to the invention may also comprise agents for controlling the release of oxygen such as carbonate or magnesium oxide. The additives and oxygen release control agents as defined above may be present in an amount for each of them ranging from 0.01 to 40% by weight, preferably from 0.1 to 30% by weight relative to to the total weight of the composition. STAINING PROCESS Another object of the invention is a method for dyeing keratinous fibers, especially human fibers such as the hair, comprising the following steps: i) mixing the packaging article as defined above in a composition capable of solubilizing the envelope of the conditioning article, ii) applying the resulting composition to the keratinous fibers, iii) pausing, iv) rinsing said fibers, v) optionally shampooing the fibers, rinsing and drying them.
[0054] It is of course understood that according to the nature of the envelopes, the composition capable of solubilizing the envelope will be water or an aqueous composition when the envelope contains predominantly or only a hydrophilic envelope, and the composition capable of solubilizing the envelope will be an anhydrous organic composition or an aqueous composition comprising at least one liquid fatty substance or at least one organic solvent different from liquid fatty substances such as lower monoalcohols, for example ethanol, or as polyols, for example propylene glycol or glycerol when the article contains predominantly or only lipophilic layers and envelopes. Thus, the aqueous composition may simply be water. The aqueous composition may optionally comprise at least one polar solvent. Among the polar solvents that can be used in this composition, mention may be made of organic compounds which are liquid at room temperature (25 ° C.) and at least partially miscible with water. By way of example, mention may be made more particularly of alkanols such as ethyl alcohol, isopropyl alcohol, aromatic alcohols such as benzyl alcohol, and phenylethyl alcohol, or polyols or polyol ethers such as for example, ethylene glycol monomethyl, monoethyl and monobutyl ethers, propylene glycol or its ethers such as, for example, propylene glycol monomethyl ether, butylene glycol, dipropylene glycol and diethylene glycol alkyl ethers such as, for example, monoethyl ether or methylenediamine. monobutyl ether diethylene glycol. More particularly, if one or more solvents are present, their respective content in the aqueous composition ranges from 0.5 to 20% and preferably from 2 to 10% by weight relative to the weight of said aqueous composition.
[0055] According to an advantageous variant, the packaging article comprises at least one chemical oxidizing agent iii) as defined above. The dyeing process as defined above then carries out, during the first step, an aqueous composition which optionally comprises at least one alkalinizing agent as defined above or optionally at least one ingredient chosen from direct dyes, in particular cationic dyes, preferably those with endocyclic cationic charges, styryl, azo and hydrazono, particularly azo and hydrazono; ammonium salts y), preferably chosen from ammonium halides such as ammonium chloride, ammonium sulfate, ammonium phosphate and ammonium nitrate; the organic fatty substances vi) preferably chosen from mineral oils, in particular liquid petrolatum; thickening polymers vii); surfactants viii), preferably nonionic or anionic, in particular chosen from (C 12 -C 20) alkyl sulphates, C 12 -C 20 alkyl ether sulphates comprising from 2 to 20 ethylene oxide units, especially in the form of alkali metals, ammonium, aminoalcohols, and alkaline earth metals, or a mixture of these compounds; preferably (C 12 -C 20) alkylsulfates such as alkali metal laurylsulfate such as sodium; and the substantive cationic or amphoteric polymers ix) as defined above. These additives may be present in the packaging article. Preferentially, the dyeing process as defined above is such that the dilution ratio of one or more conditioning articles as defined above / the composition capable of solubilizing the article or articles; expressed by weight is included between 10/90 and 90/10, preferably between 10/90 and 50/50. Preferably, this ratio is 20/80. When the composition capable of solubilizing the article is an aqueous solution of hydrogen peroxide, it preferably has a pH of less than 7. The acidic pH guarantees the stability of the hydrogen peroxide in the composition. It can be obtained using acidifying agents such as, for example, hydrochloric acid, acetic acid, ethydronic acid, phosphoric acid, lactic acid or boric acid, and it can be conventionally adjusted by addition of either basifying agents, such as, for example, ammonia, monoethanolamine, diethanolamine, triethanolamine, isopropanolamine, 1,3-diaminopropane, an alkali (bi) carbonate or ammonium, an organic carbonate such as guanidine carbonate, or even an alkaline hydroxide, all these compounds can of course be taken alone or in mixture.
[0056] The pH of the resulting mixture is usually between 7 and 12 inclusive. Preferably, the pH of said is usually between 7.5 and 11 inclusive. Once the mixture is made to obtain the ready-to-use composition, it is applied on human keratin fibers, dry or wet. The pause time is generally of the order of 1 minute to 1 hour, preferably 10 minutes to 30 minutes. The temperature of the process is conventionally between room temperature (between 15 and 25 ° C.) and 80 ° C., preferably between room temperature and 60 ° C. At the end of the treatment, the human keratinous fibers are optionally rinsed with water, washed with shampoo, rinsed again with water and then dried or left to dry. The examples which follow serve to illustrate the invention without however limiting its scope. EXAMPLES I) The following compositions were prepared. The values are expressed in gram (s) of active material for a total composition of 100 grams. Coloring compositions A: Ingredients Al A2 (reference) (invention) Pentasodium pentetate 0.8 Ammonium hydroxide 11.1 (4.56) Sorbitol 31.63 Sodium metabisulfate 0.71 Ethanolamine 1.2 Ammonium sulphate 10 Metasilicate Sodium Silica dimethylsilylate 1,2-toluene-2,5-diamine 1,19 2-methyl-5-hydroxyethylaminophenol 0.21 2,4-diaminophenoxyethanol, HCl 0.13 Titanium dioxide 0.15 N, N-sulphate bis (2-hydroxyethyl) -4-phenylenediamine 0.12 resorcinol 0.85 2.73m-aminophenol 0.24 0.23 Toluene-2,5-diamine sulphate 6.2 Glycol distearate 2 Vaseline oil 4 Alcohol cetearyl 11.5 Olea Europa olive oil 0.2 perfumes 0.95 carboxymethylcellulose sodium salt 10 hexadimethrin chloride 2.4 Hydroxyethylcellulose 15 Polyquaternium-6 1.48 Carbomer 0.39 Propylene glycol 9 Acid (auric acid 3 Laureth- 12 7 Deceth-3 10 Sodium lauryl sulphate 2 Oleth-30 4 Ascorbic acid 0.25 Water Qs 100.00 Polyvinyl alcohol fiber nonwoven (PVA) with average diameter of approx. 10 microns 3 Oxidizing compositions B: Ingredients B1 B2 B3 Pentasodium pentetate 0.006 Hydrogen peroxide 6 3.9 Sodium stannate 0.04 Phosphoric acid qs pH 2.2 qs pH 2.2 Tetrasodium tetrasodium tetrasodium 0.06 Pyrophosphate tetrasodium 0.02 0.04 Sodium carbonate peroxide or sodium percarbonate 97 Sodium salicylate 0.035 Polyvinyl alcohol nonwoven (PVA) with average diameter of about 10 microns 3 Glycerine 0.5 Trideceth-2-carboxamide MEA 0 , 85 Cetearyl alcohol 2.28 ceteareth-25 0.57 Water Qs 100.00 Qs 100.00 81: oxidizing cream 20 volumes 82: liquid oxidizing 13 volumes 83: oxidizing powder Composition C (coloring formula + oxidizing powder) Composition C (Grade 3 + oxidizing powder) Cl (invention) Sorbitol 8 Ammonium sulphate 5 Sodium carbonate peroxide or Na percarbonate 50 Sodium metasilicate 7.5 m-Aminophenol 3 2,5-Toluenediamine sulphate 6 Vaseline 4 Carboxymethylcellulose sodium salt 5 Hydroxyethylcellulose 7.5 Polyvinyl alcohol (PVA) non-woven fabric with a mean diameter of about 10 microns 3 Sodium lauryl sulfate 1 Composition D (water) Composition D (aqueous composition) D1 (water) Tap water 100 II) Preparation protocol compositions and the packaging article The aqueous reference compositions are prepared in a conventional manner. The conditioning article is prepared in two stages, firstly the powder ingredients, including the oxidation dyes, are selected. The mixture of the powdered ingredients is then homogenized. In a second step, the envelope is prepared from PVA which are in the form of two nonwoven webs joined to each other at the periphery but leaving an open part allowing the introduction of ingredients. This double layer is in the form of a disc (diameter 5 cm and thickness of 3 mm). The mixture of said powdered ingredients is then introduced between the two sheets of PVA of the disc, then the open part is closed.
[0057] III) Protocol for evaluating the technical effect of said compositions The 3.3 g packaging article of the invention is mixed according to the indications of the following table in a ratio 1: 9 (weight: weight) in a bowl. or a hot water bottle. The mixture is applied to hair with a break time of 30 minutes. We rinse the hair and then we do or not shampoo and preferably we shampoo and then dry hair.
[0058] Examples of mixtures The values are expressed in gram (s) for a total mixing of 100 grams or according to the procedure above. Mixture Al A2 B1 B2 B3 Cl D1 M1 (reference) 40 60 M2 (invention) xx M3 (invention) xx M4 (invention) xx The water-soluble packaging article does not change the quality of coloration of the keratinous fibers compared with the reference . In particular in terms of intensity and chromaticity, the coloring results are very satisfactory. In addition the application and location is easy compositions is very nice and does not leave the areas to be treated. It should be noted that the process is very easy to implement since it involves solubilizing the packaging article. It has also been observed that the color obtained is very homogeneous from the root to the tip of the hair.
[0059] Other Packaging Articles of the Invention Ingredients A3 Amount 1-Methyl-2,5-diamino-benzene 12-hydroxy-3-Aminobenzene Sulfate 6 Ammonium Sulfate Sodium Metasilicate Anhydrous Sodium Lauryl Sulfate 2 Carboxymethylcellulose Salt sodium 10 Hydroxyethylcellulose 15 Sorbitol 23 Vaseline oil 4 Nonwoven based on polyvinyl alcohol (PVA) fibers 3 Ingredients A4 Amount 1-methyl-2,5-diamino benzene sulphate 6.2 Resorcinol 2.73 m-Aminophenol 0.23 2-methyl-5-hydroxyethylaminophenol 0.21 Ammonium sulphate Sodium metasilicate 15 Sodium lauryl sulphate 2 Sodium carboxymethylcellulose 10 Hydroxyethylcellulose 15 Sorbitol 31.63 Vaseline oil 4 Non-woven polyvinyl alcohol fiber (PVA) of diameter average of about 10 microns 3 Ingredients A5 amount 1-methyl-2,5-diaminobenzene sulfate 1,59 1-hydroxy-4-aminobenzene 1.32 1,3-hydroxybenzene (Resorcinol) 0.35 1-hydroxy-3 -aminobenzene 0.53 1-methyl-2-hydroxy-4 (3-hydroxyethylaminobenzene) 0.26 2-methyl-1,3-dihydroxybenzene (2-methylresorcinol) 1.5 Ammonium sulphate Sodium metasilicate anhydrous Sodium lauryl sulfate emulsion 2 Carboxymethylcellulose cellulose salt Hydroxyethylcellulose 15 Sorbitol 35 , 45 Petroleum jelly 4 Polyvinyl alcohol (PVA) nonwoven fiber of average diameter of about 10 microns 3 These articles are prepared according to the method described in part (II) supra and are mixed before use with an oxidizing composition such that B1, B2 or B3 as defined above.
[0060] This produces high performance colorings with great ease of use.

权利要求:
Claims (25)
[0001]
REVENDICATIONS1. A packaging article comprising: i) an envelope defining at least one cavity, the shell comprising water-soluble and / or fat-soluble fibers; ii) at least one anhydrous coloring composition containing at least one oxidation dye; and iii) optionally at least one anhydrous oxidizing agent; it being understood that the coloring composition ii) and the oxidizing agent when it is present iii), is (are) in one of the cavities of the envelope i).
[0002]
2. Article according to the preceding claim wherein the anhydrous coloring composition and / or the anhydrous oxidizing agent are in the form of paste or powder.
[0003]
3. Article according to claim 1 or 2 wherein the envelope i) comprises predominantly water-soluble polymer fibers. 20
[0004]
4. Article according to claim 1 or 2 wherein the envelope i) comprises water-soluble polymer fibers, natural, artificial or synthetic, preferably selected from polyvinyl alcohol (PVA) fibers, polysaccharide fibers, fibers of polylactic acid, and polyalkylene oxide fibers, and mixtures thereof. 25
[0005]
5. Article according to any one of the preceding claims wherein the envelope i) comprises water-soluble polymer fibers selected from polysaccharides particularly selected from glucomannans, starches, alginates, and celluloses and preferably carboxymethyl starch. 30
[0006]
6. Article according to any preceding claim wherein the envelope i) comprises synthetic water-soluble polymer fibers, preferably selected from PVA fibers. 35
[0007]
7. Article according to any one of the preceding claims wherein the envelope i) is a nonwoven.
[0008]
8. Article according to one of claims 1 to 7 wherein the envelope i) comprises fat-soluble polymer fibers.
[0009]
9. Article according to any one of the preceding claims wherein the envelope i) comprises spun fibers, carded or twisted, and of diameter, identical or different, less than 500 pm; preferably less than 200 μm, preferably less than 100 μm, or even less than 50 μm and / or the tensile strength of said fibers is at least 2.7 g / dtex (3 g / d).
[0010]
10. Article according to any one of the preceding claims wherein the envelope i) represents an amount included between 0.5% and 20.0% by weight relative to the total weight of said article; advantageously between 1.0% and 10.0%, particularly between 2.0% and 5.0%; more particularly 3% by weight relative to the total weight of the packaging article.
[0011]
11. Article according to any one of the preceding claims wherein the dye composition ii) comprises one or more oxidation bases chosen from para-phenylenediamines, bis-phenylalkylenediamines, para-aminophenols, ortho-aminophenols, heterocyclic bases and their addition salts optionally combined with one or more couplers chosen from meta-phenylenediamines, meta-aminophenols, meta-diphenols, naphthalenic couplers, heterocyclic couplers and their addition salts.
[0012]
12. Article according to any preceding claim which comprises at least one anhydrous oxidizing agent, iii) in particular selected from a) urea peroxide, b) polymeric complexes that can release hydrogen peroxide selected from polyvinylpyrrolidone complexes / H2O2; c) oxidases; e) perborates and f) percarbonates; preferably the conditioning article contains one or more percarbonates.
[0013]
13. Article according to any preceding claim which comprises at least alkaline agent iv), in particular selected from silicates and metasilicates such as alkali metal metasilicates, carbonates or hydrogen carbonates of alkali or alkaline earth metals, such as lithium , sodium, potassium, magnesium, and mixtures thereof.
[0014]
14. Article according to any one of the preceding claims, which comprises at least one ingredient chosen from direct dyes, in particular cationic dyes, preferably those containing endocyclic, styryl, azo and hydrazono cationic charges, particularly azo and hydrazono; the liquid fatty substances vi) preferably chosen from mineral oils, in particular liquid petrolatum; thickening polymers vii); the surfactants viii), preferably nonionic or anionic, in particular chosen from (C 12 -C 20) alkyl sulphates, C 12 -C 20 alkyl ether sulphates comprising from 2 to 20 ethylene oxide units, in particular in the form of alkali metals, ammonium, aminoalcohols, and alkaline earth metals, or a mixture thereof; preferably (C 12 -C 20) alkylsulfates such as alkali metal laurylsulfate such as sodium; and substantive cationic or amphoteric polymers ix).
[0015]
15. Packaging article according to any one of the preceding claims wherein the envelope i) consists of two water-soluble or liposoluble (11, 12), preferably water-soluble, layers joined together at a peripheral region (14), preferably the two plies being joined by any suitable fastening means such as gluing, welding including heat sealing, in particular by entanglement; the first ply (11) further has a free central region (D) disposed facing a free central region (D) of the second ply 12; these two central regions defining a central cavity, said central cavity containing a coloring composition (13) comprising at least one oxidation dye as defined in any one of claims 1 or 10, optionally mixed with other ingredients as defined according to any one of claims 11 to 14; the plies (11, 12) have an outer periphery (15) closed whose shape is for example rounded, such as circular or elliptical, or polygonal, such as square, rectangular, triangular; preferably circular.
[0016]
16. Packaging article according to the preceding claim which further comprises a web (16), preferably water-soluble, and optionally other (s) water-soluble (s) or additional liposoluble (s) (17). ), preferably water-soluble (s) which define one or more cavities, separating the dye composition (18) as defined in claim 1 or the other ingredients (19) or (20) as defined in any one of claims 11 at 14.
[0017]
17. Packaging article according to claims 15 or 16, the first water-soluble sheet (11) preferably, the second water-soluble second layer (12), and optionally the additional water-soluble sheets (16) and (17), which are preferably water-soluble. thickness less than their other dimensions, in particular less than 10% of their maximum transverse dimensions D + 2d; preferably, the thickness of the first preferably water-soluble layer (11) and the second preferably water-soluble layer is in particular less than 10 mm and in particular between 0.1 mm and 3 mm and their maximum transverse dimensions D + 2d being smaller than at 100 mm, and being included inclusive between 10 mm and 60 mm.
[0018]
18. Packaging article according to any one of claims 15 to 17, the first sheet (11) preferably water-soluble, is a nonwoven and the second web (12) preferably water-soluble is a nonwoven and also has an outer periphery 15 closed; the outer periphery (15) of the first layer (11) is substantially identical in shape to the outer periphery (15) of the second layer (12).
[0019]
19. Use of the packaging article according to any one of the preceding claims for coloring particularly human keratin fibers such as the hair,
[0020]
20. A process for dyeing keratin fibers, especially human fibers such as the hair, comprising the following steps: i) mixing the packaging article as defined in any one of claims 1 to 19 in a composition capable of solubilizing the article of conditioning, ii) applying the resulting composition to the keratin fibers, iii) pausing, iv) rinsing said fibers, v) optionally shampooing the fibers, rinsing and drying them.
[0021]
21. The method of claim 20 wherein the composition capable of solubilizing the article is an aqueous composition or an organic composition comprising at least one liquid fatty substance.
[0022]
22. The method of claim 20 or 21 wherein the packaging article contains at least one oxidizing agent as defined in any one of claims 1 or 11, and wherein the composition adapted to solubilize the packaging article, preferably aqueous.
[0023]
23. A method according to any one of claims 20 to 22 wherein the composition capable of solubilizing the packaging article contains an oxidizing agent. preferably hydrogen peroxide.
[0024]
24. The method of claim 20 wherein the anhydrous oxidizing agent in the form of paste or powder is contained in a second packaging article as defined in any one of claims 20 to 23.
[0025]
25. The method of claim 20 to 24 wherein the dilution ratio of the packaging / articles / composition capable of solubilizing the packaging articles or articles; ratio expressed by weight, is included inclusively between 10/90 and 50/50, preferably 20/8010

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法律状态:
2015-11-10| PLFP| Fee payment|Year of fee payment: 3 |

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2016-11-11| PLFP| Fee payment|Year of fee payment: 4 |

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2017-11-13| PLFP| Fee payment|Year of fee payment: 5 |

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2019-11-15| PLFP| Fee payment|Year of fee payment: 7 |

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2021-09-10| ST| Notification of lapse|Effective date: 20210805 |

优先权:

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申请号 | 申请日 | 专利标题

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FR1363396A|FR3015232B1|2013-12-23|2013-12-23|PACKAGING ARTICLE COMPRISING AN ENVELOPE ANHYDROUS COLORING COMPOSITION COMPRISING AN OXIDATION COLOR, USE AND METHOD FOR COLORING KERATIN FIBERS|FR1363396A| FR3015232B1|2013-12-23|2013-12-23|PACKAGING ARTICLE COMPRISING AN ENVELOPE ANHYDROUS COLORING COMPOSITION COMPRISING AN OXIDATION COLOR, USE AND METHOD FOR COLORING KERATIN FIBERS|

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CN201480070528.4A| CN105828884A|2013-12-23|2014-12-19|Packaging article comprising an envelope and an anhydrous dye composition comprising an oxidation dye, use of the same and process for dyeing keratin fibres|

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US15/107,289| US10117811B2|2013-12-23|2014-12-19|Packaging article comprising an envelope and an anhydrous dye composition comprising an oxidation dye, use of the same and process for dyeing keratin fibres|

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EP14815759.7A| EP3086859B1|2013-12-23|2014-12-19|Packaging article comprising an envelope and an anhydrous dye composition comprising an oxidation dye, use of the same and process for dyeing keratin fibres|

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PCT/EP2014/078851| WO2015097099A1|2013-12-23|2014-12-19|Packaging article comprising an envelope and an anhydrous dye composition comprising an oxidation dye, use of the same and process for dyeing keratin fibres|

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ES14815759T| ES2738536T3|2013-12-23|2014-12-19|Packaging article comprising a wrapper and an anhydrous staining composition comprising an oxidation dye, use thereof and process for dyeing keratin fibers|