Shampoo Composition and Process for Preparation

专利摘要:
Summary "Shampoo Containing a Gel Network" The present invention relates to a shampoo composition having from about 5% to about 50% of a combination of sodium lauryl sulfate and sodium laureth sulfate. , and less than 3.82% sodium lauret-n sulfate having n> 1. The shampoo composition further includes from about 0.5% to about 3% of a co-active ingredient selected from the group consisting of amphoteric surfactants. , zwiterionic and nonionic. The shampoo composition has a dispersed gel mesh phase which has at least 0.05% of one or more fatty alcohols, at least 0.01% of one or more secondary surfactants and water. The shampoo composition further includes at least about 20% of an aqueous vehicle. The shampoo composition additionally has a transition enthalpy of 0 µg / g to about 0.2 µg / g as measured according to differential scanning calorimetry over a melt transition peak temperature range of about 18 ° C. ° c and about 30 ° c.
公开号:BR112014007727B1
申请号:R112014007727-4
申请日:2012-10-05
公开日:2019-04-30
发明作者:Jennifer Elaine Hilvert；Stephanie Marie Harris RILEY；Elizabeth Rebecca Aistrup
申请人:The Procter & Gamble Company；
IPC主号:

专利说明:

1/52
COMPOSITION OF SHAMPOO AND ITS PROCESS FOR PREPARATION.
[001] FIELD OF THE INVENTION [002] The present invention relates to a shampoo composition containing a dispersed gel mesh phase and containing less than about 3.82% sodium lauret-n sulfate, by weight of said shampoo composition, where N> 1. More particularly, the present invention relates to such a shampoo composition containing more than 0.5% sodium lauret-1 sulfate, and which has a transition enthalpy of about 0 J / g about 0.2 J / g, as measured according to differential scanning calorimetry over a melt transition peak temperature range between about 18 ° C to about 30 ° C.
[003] BACKGROUND OF THE INVENTION [004] Human hair gets dirty due to contact with the surrounding environment and the sebum secreted by the scalp. The soiling of the hair makes it feel dirty and acquire an unattractive appearance. This tendency for the hair to get dirty makes it necessary to wash it with shampoo with some frequency.
[005] Washing with shampoo cleans the hair, removing excess dirt and sebum. However, shampooing can leave hair wet, tangled and generally in a state of difficult handling. Once the hair dries, it is often left in a dry, rough, dull or frizzy condition due to the removal of natural hair oils.
[006] Several approaches have been developed to alleviate these post-shampoo problems. One approach is to apply shampoos to hair that try to either clean or condition hair from a single product.
Petition 870180153672, of 11/22/2018, p. 8/17
2/52 [007] In order to provide hair conditioning benefits in a shampoo base for cleaning, a wide variety of active conditioners has been proposed.
Traditionally, shampoos have used cationic polymers to form coacervate for beneficial conditioning compositions.
However, these shampoo in general do not provide a satisfactory smooth touch on dry hair. The shampoo that comprise a dispersed grease phase has been proposed for wet and enhanced, efficacy of a benefit while at the same time cleaning. However, use of alcohol gel mesh compositions if a dry conditioning sensation is achieved that does not interfere with stability problems can arise when the surfactant crystallizes out of the solution at or near room temperature.
[008] Based on the arguments there is a need for a dry benefit, to the cleaning and conditioning previously mentioned, shampoo that can be optimized for while not interfering with or providing a tactile sensation to hair when needed for long-lasting, manipulative yet not dry.
Specifically, to provide a feeling of a smooth touch, and to the hair when leaving hair with a negative effect there is hydration control to a dry hair, oily appearance, as well as providing softness and ease of combing when the hair is wet.
[009] SUMMARY OF THE INVENTION [010] The present invention relates to a shampoo composition containing: (a) about 5
O.% to about 50% of a combination of sodium lauryl sulfate and lauret-n
3/52 sodium sulfate, by weight of the shampoo composition, and less than 3.82% sodium lauret-n sulfate, by weight of said shampoo composition, where n> 1; (b) from about 0.5% to about 3% of a co-surfactant selected from the group consisting of amphoteric, zwitterionic and non-ionic surfactants, by weight of said shampoo composition; (c) a dispersed gel mesh phase comprising: (i) at least about 0.05% of one or more fatty alcohols, by weight of the shampoo composition; (ii) at least about 0.01% of one or more secondary surfactants, by weight of the shampoo composition; and (iii) water; and (d) at least about 20% of an aqueous vehicle, by weight of the shampoo composition; said shampoo composition having a transition enthalpy of about 0 J / g to about 0.2
J / g, as measured according to differential scanning calorimetry over a range of peak melt transition temperatures between about 18 ° C and about 30 ° C.
[011] The present invention also relates to a process for producing the shampoo composition described above.
[012] These and other aspects, as well as characteristics and advantages of the present invention, will be apparent to the elements skilled in the art from the reading of the present description [013] DETAILED DESCRIPTION OF THE INVENTION [014] Although the specification ends with claims that particularly point and distinctly claim the invention, it is believed that the present invention will be better understood with the following description.
[015] In all embodiments of the present invention, all percentages are by weight of the total composition,
4/52 unless otherwise specified. All reasons are weight reasons, unless otherwise specified. All ranges of values are inclusive and combinable. The number of significant figures is not representative of either the limitation of the quantities indicated or the accuracy of the measurements. All numerical quantities are understood to be modified by the word about, except where specifically indicated otherwise.
Except where otherwise indicated, all measurements are understood to be made at ° C and ambient conditions, where ambient conditions means conditions under about a pressure atmosphere and about% relative humidity.
All of these weights, as per the ingredients on the list, are based on the active level and do not include carriers or by-products that may be included in commercially available materials, unless otherwise noted.
[016] The term charge density, as used here, refers to the ratio between the number of positive charges in a polymer and the molecular weight of said polymer.
[017] The term which comprises, as used here, means that other steps and other ingredients that do not affect the final result can be added. This term covers the terms that consists of and that essentially consists of. The compositions and methods of the present invention can comprise, consist of and consist essentially of, elements and limitations of the invention described herein, as well as any of the additional or optional ingredients, components, steps or limitations described herein.
[018] The term polymer, as used here, includes materials produced by polymerizing a type of monomer or
5/52 produced by two or more types of monomers (ie, copolymers).
[019] The term suitable for application to human hair, as used here, means that the compositions or components thereof described here are acceptable for use in contact with human hair and the scalp and skin, without toxicity, incompatibility, instability, allergic response and similar inadequate.
[020] The term water-soluble, as used here, means that the material is water-soluble in the present composition.
In general, the material should be soluble to 25 ° C to a concentration of 0.1 % by weight of the solvent in Water, alternatively to 1%, alternatively to 5 % and alternatively to 15 O.%. [021] Composition of shampoo [022] As used here, the term network of gel refers up to a
lamellar or vesicular solid crystalline phase comprising at least one fatty alcohol, at least one secondary surfactant and water or other suitable solvents. In embodiments of the present invention, this gel network is further combined with a detersive surfactant, such as an anionic surfactant, to form a shampoo product. In an embodiment of the present invention, the anionic surfactant is sodium lauryl sulfate (LSS). The use of LSS in combination with a gel net in a shampoo can lead to difficulties with the formulation. The LSS and sodium lauret-1 sulfate (L1SS) in the system have a higher buffering coefficient. This can result in the production of more elastic and therefore less desirable shampoo products for the consumer, and can also cause both the reduction in LSS solubility and the formation of LSS crystals.
6/52 [023] The modalities of the present invention balance the solubility of the LSS, while still having an acceptable rheology or elasticity shampoo. Elasticity is important in order to have a good dispensation from the bottle and a good spreading of the product on the hands and hair. Additionally, products that spread well through the hair foam faster and are more acceptable to the consumer. The shampoo composition modalities of the present invention comprise: (a) from about 9% to about 17% of one or more anionic surfactants, by weight of the shampoo composition, and less than about 3.82% laureth- n sodium sulfate, by weight of said shampoo composition, where n> 1; (b) (b) from about 0.5% to about 3% of a co-surfactant selected from the group consisting of amphoteric, zwitterionic and non-ionic surfactants by weight of said shampoo composition; (c) a dispersed gel mesh phase comprising: (i) at least about 0.05% of one or more fatty alcohols, by weight of the shampoo composition; (ii) at least about 0.01% of one or more secondary surfactants, by weight of the shampoo composition; and (iii) water; and (d) at least about 20% of an aqueous vehicle, by weight of the shampoo composition; said shampoo composition having a transition enthalpy of about 0 J / g to about 0.2 J / g, as measured according to differential scanning calorimetry over a range of peak melt transition temperatures between about 18 ° C and about 30 ° C. Each of these components, as well as optional components, are described in detail later in this document. In an embodiment of the present invention, n> 1, 2, 3, 4, 5, 6, 7 and less than 7, 6, 5, 4, 3, 2, and any combination thereof.
7/52 [024] Detersive surfactant [025] The shampoo composition of the present invention comprises one or more detersive surfactants. The detersive surfactant component is included in the shampoo compositions of the present invention to provide cleaning performance. The detersive surfactant can be selected from a detersive anionic surfactant, zwitterionic or amphoteric detersive surfactant or a combination thereof. Such surfactants must be physically and chemically compatible with the components described herein or must not otherwise unduly impair the stability, aesthetics or performance of the product.
[026] Detersive anionic surfactant components suitable for use in the composition of the present invention include those that are known for their use in hair care or other personal care shampoo compositions. In one embodiment, the detersive anionic surfactant can be a combination of sodium lauryl sulfate and sodium lauret-n sulfate. The concentration of anionic surfactant component in the composition should be sufficient to provide the desired cleaning and foam performance and, in general, is in the range of about 5% to about 50%, alternatively about 8% to about 30%, alternatively from about 9% to about 25%, and, alternatively, from about 10% to about 17%, by weight of the composition.
[027] Zwiterionic or amphoteric detersive surfactants suitable for use in the composition of the present invention include those that are known for their use in hair care or other personal care shampoo compositions. The concentration of such surfactants
8/52 amphoteric detersives is in the range of about 0.5% to about 20%, alternatively from about 1% to about 10%. Some non-limiting examples of suitable zwitterionic or amphoteric surfactants are described in US Patent Nos. 5,104,646 and 5,106,609.
[028] Additional anionic surfactants suitable for use in the present invention include alkyl and alkyl ether sulfates of the formula ROSO ₃ M and RO (C ₂ H ₄ O) _x SO ₃ M, where R is alkyl or alkenyl of about 8 to about 18 carbon atoms, x is 1 to 10, and M is a water-soluble cation such as ammonium, sodium, potassium and triethanol amines or salts of the divalent magnesium ion with two anions of anionic surfactant. Alkyl ether sulfates can be made as condensation products of ethylene oxide and monohydric alcohols with from about 8 to about 24 carbon atoms. Alcohols can be derived from fats such as coconut oil, babassu oil, palm kernel oil or tallow or they can be synthetic.
[029] Other suitable anionic surfactants include water-soluble salts of organic sulfonic acids with the following general formula [R ¹ -SO3M]. R ¹ being a straight chain aliphatic hydrocarbon radical having 13 to 17 carbon atoms, alternatively 13 to 15 carbon atoms. M is a water-soluble cation such as ammonium, sodium, potassium and triethanolamine cation or divalent magnesium ion salts with two anionic surfactant anions. These materials are produced by reacting SO2 and O2 with normal paraffins of appropriate chain length (C14C17) and are sold commercially as sodium paraffin sulfonates.
9/52 [030] Examples of additional anionic surfactants suitable for use in the present invention include, but are not limited to, ammonium lauryl sulfate, ammonium lauret sulfate, triethylamine lauryl sulfate, lauret triethyl amine sulfate, triethanolamine lauryl sulfate , triethanol amine lauret sulfate, monoethanolamine lauryl sulfate, monoethanolamine lauret sulfate, lauryl sulfate diethanol amine, lauret sulfate diethanol amine, sodium monoglyceride sodium sulfate, sodium lauryl sulfate, sodium lauret sulfate, lauryl sulfate potassium sodium sarcosinate, sodium lauroyl sarcosinate, lauryl sarcosine, cocoyl sarcosine, cocoon ammonium sulfate, ammonium lauroyl sulfate, sodium cocoyl sulfate, sodium lauroyl sulfate, potassium cocoyl sulfate, potassium lauryl sulfate, monoethanolamine cocoyl sulfate, sodium tridecet sulfate, sodium tridecyl sulfate, sodium methyl lauroyl taurate, sodium methyl cocoyl taurate, lau sodium royl isethionate, sodium cocoyl isethionate, sodium lauret sulfosuccinate, sodium lauryl sulfosuccinate, sodium tridecyl benzenesulfonate, sodium dodecyl benzenesulfonate and mixtures thereof.
Surfactant Provider Activity SLS L1SS L2SS L3SS L> 3SS LaurilSulfateSodium StepanSTEOL LSS 29% by weight 100 0 0 0 0 LauretSulfateSodium (1) StepanSTEOL L1SS 26% by weight 45.5 26.3 11, 8 0.07 16.33 Lauret-3SulfateSodium StepanSTEOL L3SS 28% by weight 18 16.7 12.6 12.4 40.30
10/52 [031] Surfactant distribution table [032] The shampoo composition of the present invention may additionally comprise additional surfactants for use in combination with the detersive anionic surfactant component described herein. Suitable additional surfactants include cationic and non-ionic surfactants.
[033] Non-limiting examples of other anionic, zwitterionic, amphoteric, cationic, nonionic or optional additional surfactants suitable for use in compositions are described in McCutcheon's, Emulsifiers and Detergents, 1989 Annual, published by MC Publishing Co., and in US patents. Nos. 3,929,678; 2,658,072; 2,438,091; and 2,528,378.
[034] Cotensoativo [035] Cotensoativos are materials that are combined with the undecyl sulfate surfactant and, optionally, anionic surfactants to intensify the foam volume and / or modify the foam texture. Typically, these materials can be selected from a variety of structure families including, but not limited to, amphoteric, zwitterionic, cationic and nonionic. These are typically used with anionic surfactants in a weight ratio of 1:20 to 1: 4 and alternatively in a weight ratio of 1:12 to 1: 7.
[036] The shampoo composition of the present invention may comprise from about 0.5% by weight to about 10% by weight, alternatively from about 0.5% by weight to about 5%, by weight, alternatively from about 0.5% by weight to about 3% by weight, alternatively from about 0.5% by weight to about 2% by weight, and alternatively about 0.5% by weight to about
11/52
1.75%, by weight, by weight of the composition of at least one suitable co-activeative. The co-surfactant can serve to produce foam faster, facilitate an easier rinse and / or mitigate the roughness in the keratinous tissue. The co-surfactant can also assist in the production of foam that has texture, volume and / or other more desirable properties.
[037] Amphoteric surfactants suitable for use in the present invention include, but are not limited to, derivatives of aliphatic tertiary and secondary amines in which the aliphatic radical may be straight or branched and a substituent of the aliphatic substituents contains approximately from 8 to about 18 carbon atoms and one contains an anionic group solubilizing in water, for example, carboxy, sulfonate, sulfate, phosphate or phosphonate.
Examples include sodium 3-dodecyl amino propionate, sodium 3-dodecyl amino propane sulfonate, sodium lauryl sarcosinate,
N-alkyl taurines like those prepared by the reaction of dodecyl amine with sodium isethionate, according to the teaching of the U.S. patent
acids
Higher N-alkyl aspartics like those produced according to the teaching of the patent
2,438,091 and the products described in the U.S. patent
2,528,378 and mixtures thereof. In one modality, amphoteric surfactants can be selected from the betain family such as lauroanfoacetate.
[038] Zwitterionic surfactants suitable for use in the present invention include, but are not limited to, aliphatic quaternary ammonium derivatives, phosphonium and sulfonium compounds, in which the aliphatic radicals may be straight or branched, and one of
12/52 aliphatic substituents contain from about 8 to about 18 carbon atoms and one substituent contains an anionic group, for example, carboxy, sulfonate, sulfate, phosphate or phosphonate. Other zwitterionic surfactants suitable for use in the present invention include betaines including higher alkyl betaines such as coconut dimethyl carboxymethyl betaine, cocoamido propyl betaine, cocobetaine, lauryl starch propyl betaine, oleyl betaine, lauryl dimethyl carboxymethyl betaine, lauryl dimethyl-alpha-carboxyethyl betaine, cetylethyl betaine, carboxymethyl betaine, lauryl bis- (2-hydroxy ethyl) carboxy methyl betaine, stearyl bis- (2-hydroxy propyl) carboxy methyl betaine, oleyl dimethyl-gamma-carboxypropyl betaine, lauryl bis- (2-hydroxy propyl) -alpha-carboxyethyl betaine and mixtures thereof. Sulfobetaines can include coco dimethyl sulfopropyl betaine, stearyl dimethyl sulfopropyl betaine, lauryl dimethyl sulfoethyl betaine, lauryl bis- (2-hydroxy ethyl) sulfopropyl betaine and mixtures thereof. Other suitable amphoteric surfactants include betaine starch and sulfobetaine starch, in which the radical RCONH (CH ₂ ) ₃ , where R is C ₁₁ to C ₁₇ alkyl, is attached to the nitrogen atom of betaine.
[039] The non-ionic co-surfactants typically used in the present composition to enhance the volume or texture of the foam include water-soluble materials such as lauryl dimethylamine oxide, cocodimethylamine oxide, propyl amine cocoamido oxide, propyl amine lauryl oxide, etc. . or lauret-4 to lauret-7 alkyl polyethoxylate and water-insoluble components such as coconut monoethanol amide, cocodiethanol amide, lauroylmonoethanol amide, alkanoyl isopropanol amide and fatty alcohols such as cetyl alcohol and oleyl alcohol and 2-hydroxy methyl ethers, etc.
13/52 [040] Other materials suitable as co-surfactants of the present invention include 1,2-alkylalkoxides, 1,2-alkane diols, branched or straight chain alkyl glyceryl ethers (for example, as presented in EP 1696023A1), carbonates 1, 2-alkyl cyclic and 1,2-alkyl cyclic sulfites, particularly those in which the alkyl group contains 6 to 14 carbon atoms in linear or branched configuration. Other examples include alkyl ether alcohols derived from the reaction of C10 or C12 alpha olefins with ethylene glycol (e.g., hydroxyethyl-2decyl ether, hydroxyethyl-2-dodecyl ether), as can be produced according to the U.S. patent.
5,741,948;
U.S.
5,994,595;
U.S. 6,346,509;
and U.S. 6,417,408.
[041] Other non-ionic surfactants can be selected from the group consisting of glycosamides, alkyl polyglycosides, sucrose cocoate, sucrose laurate, alkanolamides, ethoxylated alcohols and mixtures thereof. In one embodiment, the non-ionic surfactant is selected from the group consisting of glyceryl monohydroxy stearate, isostearet-2, tridecet-3, hydroxystearic acid, propylene glycol stearate, PEG-2 stearate, sorbitan monostearate, glyceryl laurate, lauret -2, cocamide monoethanol amine, lauramide monoethanol amine and mixtures thereof.
[042] In a particular modality, the co-surfactant is selected from the group consisting of coconut monoethanol amide, cocoamido propyl betaine, lauryl starch propyl betaine, cocobetaine, lauryl betaine, lauryl amine oxide, sodium lauryl anfoacetate; alkyl glyceryl ethers, alkyl-diglyceryl ethers, cyclic 1,2alkyl sulfites, cyclic 1,2-alkyl carbonate carbonates,
14/52
1.2- alkyl epoxides, alkyl glycidyl ethers and alkyl-
1.3- dioxolanes, with the alkyl group containing 6 to 14 carbon atoms in linear or branched configuration; 1,2-alkane diols in which the total carbon content is 6 to 14 linear or branched carbon atoms, methyl-2-hydroxydecyl ethers, hydroxyethyl-2-dodecyl ether, hydroxyethyl-2-decyl ether and mixtures thereof.
[043] Cationic surfactants can be derived from amines that are protonated at the pH of the formulation, for example, bishydroxy ethyl lauryl amine, lauryl dimethylamine, lauroyl dimethyl amidopropyl amine, cocoylamidopropyl amine and the like.
Cationic surfactants can also be derived from fatty quaternary ammonium salts such as lauryl trimethyl ammonium chloride and [044] chloride in a lauroylamidopropyl trimethyl ammonium.
In this embodiment, the shampoo composition can comprise two or more stages to produce a multi-stage personal care composition. One stage may comprise traditional personal care components, such as structured surfactants, and the second stage of multi-stage personal care compositions of the present invention may comprise a benefit stage.
[045] The benefit phase, when present, can be anhydrous and can be substantially free of water. The benefit phase may comprise less than about 5% by weight of water, alternatively less than 3% by weight of water and alternatively less than 1% by weight of water. The benefit phase can be substantially free of surfactant. The benefit phase may comprise less than about 5% by weight of surfactant, alternatively less than about
15/52% by weight of surfactant and, alternatively, less than about 1% by weight of surfactant.
[046] The benefit phase may comprise hydrophobic hydrating materials. The benefit phase can be composed of the selected components from the group consisting of petrolatum, lanolin, hydrocarbon oils such as mineral oil, natural and synthetic waxes such as microcrystalline waxes, paraffins, ozoquerite, lanolin wax, lanolin alcohols, lanolin fatty acids, polyethylene , polybutene, polydecene and peridrosqualene, volatile or non-volatile organosiloxanes and their derivatives such as dimethicone, cyclomethicone, alkyl siloxane, polymethyl siloxane and methyl phenyl polysiloxane, lanolin oil, esters such as isopropyl lanolate, acetylated lanolin, acetylated alcohols, lanolinic alcohol lanolin, natural and synthetic lanolin alcohol riconoleate triglycerides such as castor oil, soybean oil, sunflower seed oil, soybean oil malate, safflower oil, cottonseed oil, corn oil, walnut, peanut oil, olive oil, cod liver oil, almond oil oa, avocado oil, palm oil and sesame oil, castor oil derivatives, sephoses and combinations thereof.
[047] In one embodiment, the benefit phase may comprise a hydrophobic hydrating material. Hydrophobic hydrating materials suitable for use in particular multi-phase compositions may have a Vaughan solubility parameter (PSV) of about 5 (cal / cm ³ ) ^1/2 to about 15 (cal / cm ³ ) ^1/2 , as defined by Vaughan in Cosmetics and Toiletries, Volume 103. Non-limiting examples of hydrophobic hydrating materials that have PSV values in
16/52 ranges from about 5 to about 15 include the following: cyclomethicone 5.92, squalene 6.03, petrolate 7.33, isopropyl palmitate 7.78, isopropyl myristate 8.02, castor oil 8, 90, cholesterol 9.55, as recorded in Solubility, Effects in Product, Package, Penetration and Preservation, by CD Vaughan, Cosmetics and Toiletries, Volume 103, October 1988.
[048] The shampoo composition of the present invention, when in a multi-stage form, can comprise a structured surfactant that is suitable for application to keratinous tissue such as skin and / or hair. The part of the shampoo composition that contains the structured surfactant may comprise, in one embodiment, at least about 50% of an anisotropic phase and a different embodiment of about 50% to about 90% of an anisotropic phase. Structured surfactants may comprise anionic, non-ionic, cationic, zwitterionic, amphoteric, soap and combinations of them, as presented here and in US 2007/0248562 A1, in combination with a suitable structuring agent.
[049] Alkylanfoacetates are suitable structured surfactants used in the multi-phase compositions of the present invention for improved smoothness and foam of products. The most commonly used alkylaminoacetates are lauro anfoacetato and cocoanfoacetato. Alkylamfoacetates can be comprised of monoacetates and diacetates. In some types of alkylaminoacetates, diacetates are impurities or unintentional reaction products. However, the presence of diacetate can cause a variety of unfavorable composition characteristics when present in proportions of more than 15% of the alkylaminoacetates.
17/52 [050] Nonionic surfactants suitable for use in the present invention are those selected from the group consisting of glycosamides, alkyl polyglycosides, sucrose cocoate, sucrose laurate, alkanolamides, ethoxylated alcohols and mixtures thereof. In one embodiment, the non-ionic surfactant is selected from the group consisting of glyceryl monohydroxy stearate, isostearet-2, tridecet3, hydroxystearic acid, propylene glycol stearate, PEG-2 stearate, sorbitan monostearate, glyceryl laurate, laurethane 2, cocamide monoethanol amine, lauramide monoethanol amine and mixtures thereof.
[051] The structured surfactant can be in the form of a discontinuous structured domain, visibly distinct from the unstructured domain. When the composition comprises both a structured and unstructured phase, the structured domain may allow the incorporation of high levels of active ingredients for skin treatment that are not otherwise emulsified in the composition. In a particular embodiment, the structured domain is an opaque structured domain. The opaque structured domain can be a lamellar phase and can be a lamellar phase that produces a lamellar gel network.
[052] In one embodiment, the structured surfactant is in the form of a lamellar phase, which provides shear strength, adequate productivity to suspended particles and droplets and desirable rheology characteristics and / or long-term stability. The lamellar phase tends to have a viscosity that minimizes the need for viscosity modifiers.
[053] Some non-limiting examples of suitable structural agents are described in US 5,952,286 and include acids
18/52 unsaturated and / or branched (C ₈ -C ₂₄ ) long-chain liquid fatty or esters derived therefrom; long chain unsaturated and / or branched liquid alcohol or ethers derived from these items and mixtures thereof. The structured surfactant can also comprise short-chain saturated fatty acids such as capric acid and caprylic acid. Without sticking to the theory, it is believed that the unsaturated part of the fatty acid in the alcohol or the branched part of the fatty acid or alcohol acts to disrupt the hydrophobic surfactant chains and induce lamellar phase deformation. Examples of suitable liquid fatty acids include oleic acid, isostearic acid, linoleic acid, linolenic acid, ricinoleic acid, elaidic acid, arachidonic acid, myristoleic acid, palmitoleic acid and mixtures thereof.
Examples of suitable ester derivatives include propylene glycol isostearate, propylene glycol oleate, glyceryl isostearate, glyceryl oleate, polyglyceryl diisostearate and mixtures thereof.
Examples of alcohols include oleyl alcohol and isostearyl alcohol. Examples of ether derivatives include isostearet or olet carboxylic acid;
or isostearet or oletyl alcohol. The structuring agent can be defined as having a melting point below about 25 ° C.
[054] The composition can comprise both an anisotropic and / or isotropic phase. In a particular modality, the structured surfactant is in a visibly distinct phase from the composition.
[055] If present, the composition may comprise a rheology modifier, said rheology modifier comprising cellulosic rheology modifiers,
19/52 crosslinked acrylates, crosslinked maleic anhydride ethers, hydrophobically modified associative polymers or a mixture thereof.
[056] An electrolyte, if used, can be added by itself to the multi-phase composition or it can be formed in situ through the counterions included in one of the raw materials. The electrolyte can include an anion comprising phosphate, chloride, sulfate or citrate, and a cation comprising sodium, ammonium, potassium, magnesium or mixtures thereof. The electrolyte can be sodium chloride, ammonium chloride, sodium sulfate or ammonium. The electrolyte can be added to the structured surfactant phase of the multi-phase composition in the amount of about 0.1% by weight to about 15% by weight, alternatively from about 1% by weight to about 6% by weight and alternatively from about 3% by weight to about 6% by weight by weight of the structured surfactant composition.
[057] In one embodiment of the present invention, for personal care a structured surfactant composition comprises a phase comprising a mixture of at least one nonionic surfactant and an electrolyte. In another embodiment, the surfactant phase may comprise a mixture of surfactants, water, at least one anionic surfactant, an electrolyte and at least one alkanolamide.
[058] Scattered gel mesh phase [059] The shampoo composition of the present invention comprises a dispersed gel mesh phase comprising one or more fatty alcohols. The dispersed gel mesh phase is included in the shampoo compositions of the present invention to provide conditioning benefits. For use in the present invention, the term gel net refers to
20/52 a lamellar or vesicular solid crystalline phase comprising at least one fatty alcohol as specified below, at least one secondary surfactant as specified below and water or other suitable solvents. The lamellar or vesicular phase comprises bilayers composed of a first layer comprising fatty alcohol and a secondary surfactant, which alternates with a second layer comprising water or another suitable solvent. The term solid crystalline, as used here, refers to the structure of the lamellar or vesicular phase that forms at a temperature below the transition temperature of the melt layer material in the gel network, which comprises the one or more fatty alcohols, being that the transition temperature of the molten material is at least about 30 ° C (i.e., slightly above room temperature). The transition temperature of the molten material can be measured by means of differential scanning calorimetry, of which a method is described below.
[060] For clarification purposes, the melt transition temperature of at least 30 ° C, which is called immediately above as part of the definition of solid crystalline, is a different value from the melt transition phase transition temperature. dispersed gel network of the shampoo compositions of the present invention. In other words, a lamellar or vesicular phase as described above can be a solid crystalline phase (i.e., at least 30 ° C), but such a lamellar or vesicular solid phase is not necessarily a dispersed gel mesh phase of shampoo compositions. of the present invention.
[061] Gel nets that comprise, for example, fatty alcohols have been used for years in cosmetic creams and
21/52 hair conditioners. These cosmetic hair creams and conditioners, however, typically contain very small or even zero amounts of detersive surfactant. Therefore, these known products do not provide a combination of cleansing and conditioning to hair or skin.
[062] Gel nets, in general, are further described by G.M. Eccleston, Functions of Mixed
Emulsifiers and Emulsifying Waxes in Dermatological Lotions and Creams, Colloids and Surfaces A: Physíochem. and Eng. Aspects 123 to 124 (1997) 169 to 182; and by G.M
Eccleston,
The Microstructure of
Semisolid Creams,
Pharmacy International,
Volume 7, to 70 (1986)
In an embodiment of the present invention, the dispersed gel mesh phase is preformed.
The term preformed, for use in the present invention, means that at least fifty percent of the mixture of fatty alcohol, water or other suitable secondary surfactant solvent and is substantially a solid crystalline phase when added to the other components of the shampoo composition.
[063] In accordance with this embodiment of the present invention, the gel mesh component of the present invention is prepared in the form of a separate premix which, after being cooled, is subsequently incorporated into the detersive surfactant and the other components of the composition of shampoo. The preparation of the gel mesh component is discussed in more detail below, in the section entitled Process for producing a shampoo composition, as well as in the Examples.
[064] The preformed and cooled gel mesh component is subsequently added to the other components of the shampoo composition, including the surfactant component
22/52 detersive. Without sticking to the theory, it is believed that the incorporation of the cooled and preformed gel network component into the detersive surfactant and the other components of the shampoo composition allows the formation of a substantially balanced lamellar dispersion (DLE) in the final shampoo composition. DLE is a dispersed lamellar or vesicular phase resulting from the substantial balance of the preformed gel mesh component with the detersive surfactants, water and other optional components, such as salts, that may be present in the shampoo composition. This balancing occurs by incorporating the preformed gel mesh component into the other components of the shampoo composition, and is effectively complete within about 24 hours after production. The shampoo compositions in which DLE is formed provide optimized benefits of dry and wet conditioning. In addition, DLE does not form if components comprising the gel mesh component (ie fatty alcohol and secondary surfactant combined with water) are added as individual components, along with the other components of the shampoo composition in a mixing step, and not in the form of a cooled and separated preformed gel mesh component.
[065] For clarification purposes, as used herein, the term DLE refers to the same component of the shampoo compositions of the present invention as the phrase dispersed gel mesh phase.
[066] The presence of the gel network in the premix and in the final shampoo composition in the form of DLE can be confirmed using the means known to those skilled in the art, such as X-ray analysis, microscopy
23/52 optics, electron microscopy and differential scanning calorimetry. A differential scanning calorimetry method is described below. For X-ray analysis methods, see U.S. 2006/0024256 A1.
[067] In one embodiment of the present invention, the scale size of the gel mesh phase dispersed in the shampoo composition (i.e., the ELD) is in the range of about 10 nm to about 500 nm. In another embodiment, the scale size of the gel mesh phase dispersed in the shampoo composition is in the range of about 0.5 pm to about 10 pm. In yet another embodiment, the scale size of the gel mesh phase dispersed in the shampoo composition is in the range of about 10 pm to about 150 pm.
[068] A scale size distribution of the dispersed gel mesh phase in the shampoo composition can be measured with a laser light scattering technique, using a Horiba model laser dispersion particle size distribution analyzer LA 910 (Horiba Instruments, Inc., Irvine, California, USA). The scale size distribution in a shampoo composition of the present invention can be measured by combining 1.75 g of the shampoo composition with 30 ml of 3% NH ₄ Cl, 20 ml of 2% Na ₂ HPO ₄ ' 7H ₂ O and 10 ml of 1% lauret-7 to form a mixture. This mixture is then stirred for 5 minutes. As appropriate for the individual Horiba instrument being used, samples in the range 1 to 40 ml were taken and then injected into the Horiba instrument, which contains 75 ml of 3% NH4Cl, 50 ml of 2% Na ₂ HPO ₄ '7H ₂ O, and 25 ml of 1% lauret-7, until the reading of the Horiba instrument is between 88 and 92% T, which is necessary for the measurement of the scale size. Once
24/52 this is achieved, a measurement is taken after 2 minutes of circulation through the Horiba instrument, to obtain the scale size measurement. A subsequent measurement is taken using a sample of the shampoo composition that has been heated above the melt transition temperature of all the fatty materials present in the shampoo composition, so that the gel mesh component is melted. This subsequent measurement allows a scale size distribution to be taken for all of the remaining materials in the shampoo, which can then be compared to the scale size distribution of the first sample and assist in the analysis.
[069] A. Fatty alcohol [070] The gel mesh component of the present invention comprises at least one fatty alcohol. Individual fatty alcohol compounds or combinations of two or more different fatty alcohol compounds can be selected.
[071] Fatty alcohols suitable for use in the present invention are those having from about 18 to about 70 carbon atoms, in one embodiment, from about 18 to about 60 carbon atoms, in another embodiment from about 18 to about 50 carbon atoms, in yet another embodiment of about 18 to about 40 carbon atoms and, in yet another embodiment, from about 18 to about 22 carbon atoms. These fatty alcohols can be straight or branched chain alcohols and can be saturated or unsaturated. Some non-limiting examples of suitable fatty alcohols include stearyl alcohol, arachidyl alcohol, beenyl alcohol, C21 fatty alcohol (1-tricosanol), C23 fatty alcohol (1-tricosanol), C24 fatty alcohol (lignoceryl alcohol, 1-tetracosanol), alcohol
25/52 fatty C2 6 (1-hexacosanol), fatty alcohol C28 (1octacosanol), fatty alcohol C30 (1-triacontanol), alcohols
C20-40 (for example, alcohols
Performacol 350 and 425, available from New Phase Technologies), C30-50 alcohols (eg Performacol 550 alcohol), C40-60 alcohols (eg Performacol 700 alcohol) and mixtures thereof. [072] Mixtures of different fatty alcohols, comprising one or more fatty alcohols having from about 18 to about 70 carbon atoms may also comprise some amount of one or more fatty alcohols or other fatty alcohols that are less than about of 18 carbon atoms or more than about 70 carbon atoms and still be considered within the scope of the present invention, provided that the resulting dispersed gel network phase has a melt transition temperature of at least about 38 ° C.
[073] Such fatty alcohols suitable for use in the present invention may be of natural or vegetable origin or may be of synthetic origin.
[074] The shampoo compositions of the present invention comprise fatty alcohol as part of the gel mesh phase
dispersed in a amount in at least 0, 05 O.%, alternatively in fence of 0 , 05 % about in 14 O.%, alternatively in fence of 0, 5% about in 10 %, and, alternatively, in fence of 1 % a about 8 % by weight
of the shampoo composition.
[075] In an embodiment of the present invention, the ratio of the weight of the fatty alcohol to the weight of the secondary surfactant in the gel mesh component is greater than about 1: 9, alternatively from about 1: 5 to about 100 : 1 and, alternatively, from about 1: 1 to about 50: 1.
26/52 [076] B. Secondary surfactant [077] The gel mesh component of the present invention also comprises a secondary surfactant. For use in the present invention, the term secondary surfactant refers to one or more surfactants that are combined with fatty alcohol and water to form the gel network of the present invention in the form of a premix separated from the other components of the shampoo composition . The secondary surfactant is separated from, and additional to, the detersive surfactant component of the shampoo composition. However, the secondary surfactant can be of the same or different type of surfactant or surfactants in relation to those selected for the detersive surfactant component described above.
[078] The shampoo compositions of the present invention comprise secondary surfactant as part of the preformed dispersed gel mesh phase, in an amount of about 0.01% to about 15%, alternatively about 0.1% about 10%, and, alternatively, about 0.2% to about 5%, by weight of the shampoo composition.
[079] Suitable secondary surfactants include anionic, zwitterionic, amphoteric, cationic and non-ionic surfactants. The secondary surfactant can be selected from anionic, cationic and non-ionic surfactants and mixtures thereof. For a further discussion as to secondary surfactants that are suitable for use in the present invention, see U.S. 2006/0024256 A1.
[080] Additionally, in an embodiment of the present invention, certain secondary surfactants have a hydrophobic tail group with a chain length of about 16 to about 22 carbon atoms. For these secondary surfactants, the hydrophobic tail group can be
27/52 alkyl, alkenyl (containing up to 3 double bonds), aromatic alkyl or branched alkyl. In such an embodiment, the secondary surfactant may be present in the gel network component in relation to the fatty alcohol at a ratio between the weights of about 1: 5 to about 5: 1.
[0 81] Mixtures of more than one surfactant of the types specified above can be used for the secondary surfactant of the present invention.
[082] C. Suitable water or solvents [083] The gel mesh component of the present invention also comprises water or suitable solvents. The appropriate water or solvent and the secondary surfactant together contribute to the expansion of fatty alcohol. This, in turn, leads to the formation and stability of gel networks. For use in the present invention, the term suitable solvent refers to any solvent that can be used in place of, or in combination with, water in forming the gel network of the present invention.
[084] The shampoo compositions of the present invention comprise water or suitable solvents as part of the preformed dispersed gel mesh phase, in an amount suitable for obtaining a gel mesh when combined with fatty alcohol and secondary surfactant according to the present invention.
[085] In one embodiment, the shampoo compositions of the present invention comprise as part of the preformed dispersed gel mesh phase at least about 0.05% water or a suitable solvent, by weight of the shampoo composition.
[086] In another embodiment of the present invention, shampoo compositions comprise water or a suitable solvent as part of the pre-28/52 dispersed gel mesh phase formed in an amount, relative to that of fatty alcohol, at a weight ratio of at least about 1: 1.
[087] Transition enthalpy [088] According to the present invention, the shampoo composition has a transition enthalpy of about 0 J / g to about 0.2
J / g, as measured according to differential scanning calorimetry over a range of peak melt transition temperatures between about 18 ° C and about ° C. In one embodiment, the shampoo composition has a transition enthalpy of about 0 J / g to about
0.1
J / g, as measured according to differential scanning calorimetry over a range of peak melt transition temperatures between about 18 ° C and about 30 ° C.
[089] It is believed that, in the shampoo compositions of the present invention, have a transition enthalpy of about 0 J / g to about 0.2 J / g, as measured according to differential scanning calorimetry over a range of peak melt transition temperatures between about 18 ° C and about 30 ° C, contribute to the enhanced physical stability of shampoo compositions while still providing enhanced foam production benefits.
[090] The transition temperature of the molten material can be obtained with the use of differential scanning calorimetry, according to the following method. Using a TA Instruments DS100 differential scanning calorimeter, from TA Instruments, approximately 50 mg of the gel mesh premix or the final shampoo composition containing the gel mesh are placed on a stainless steel tray for high differential scanning calorimetry. volume. The sample, together with an empty reference tray, is placed
29/52 on the instrument. The samples are analyzed using the following program of conditions / temperature: Purge with nitrogen, equilibrate at 4.00 ° C until an isotherm is reached for 2.00 minutes. Ramp the temperature at a rate of 1.00 ° C / min to 75.00 ° C. Each sample is analyzed in duplicate. The resulting differential scanning calorimetry (DSC) data is analyzed using TA Instruments Universal Analysis Software.
[091] The use of differential scanning calorimetry (DSC) to measure the transition temperature of the molten material is further described by T. de Vringer et al., Colloid and Polymer Science, volume 265, 448 to 457 (1987); and H.M. Ribeiro et al., Intl. J. of Cosmetic Science, volume 26, 47 to 59 (2004).
[092] Aqueous vehicle [093] The shampoo compositions of the present invention comprise an aqueous vehicle. Typically, the compositions of the present invention are in the form of pourable liquids (under ambient conditions). The compositions, therefore, comprise an aqueous vehicle at a content of at least about, alternatively from about 20% to about 95%, and, alternatively, from about 60% to about 85%, by weight of the compositions. The aqueous vehicle can comprise water or a miscible mixture of water and organic solvent. The aqueous vehicle may also comprise water with little or no significant concentration of organic solvent, except where otherwise incorporated into the composition as minor ingredients of other components. [094] Additional components [095] The compositions of the present invention may further comprise one or more optional components known for their
30/52 use in hair care or personal care products, provided that the optional components are physically and chemically compatible with the components described herein or must not otherwise unduly impair the stability, aesthetics or performance of the product. The individual concentrations of these optional components can range from about 0.001% to about 10% by weight of the compositions.
[096] Some non-limiting examples of optional components for use in the composition include cationic polymers, conditioning agents (hydrocarbon oils, fatty esters, silicones), anti-dandruff agents, suspending agents, viscosity modifiers, dyes, solvents or non-volatile diluents ( soluble and insoluble in water), pearlescent auxiliaries, foam reinforcers, additional surfactants or non-ionic co-surfactants, pediculicides, pH-adjusting agents, perfumes, preservatives, chelators, proteins, active skin agents, sunscreens, UV absorbers and vitamins.
[097] A. Deposition aid [098] The shampoo compositions of the present invention can include a deposition aid. The deposition aid is included to effectively optimize the deposition of the gel mesh component. The deposition aid can comprise any material that optimizes the deposition of the shampoo gel network on the hair and / or scalp. [099] The concentration of the deposition aid in the shampoo composition should be sufficient to effectively improve the deposition of the gel network component, and is in the range of about 0.05% to about 5%, alternatively about
31/52 from 0.075% to about 2.5%, and alternatively from about
0.1% to about 1.0%, by weight of the shampoo composition.
[100] In one embodiment of the present invention, the deposition aid is a cationic polymer. Cationic polymers can have cationic charge densities of at least about 0.9 meq / g, alternatively at least about 1.2 meq / g, alternatively at least about 1.5 meq / g, alternatively less than about 7 meq / g, alternatively, less than about 5 meq / g, at the intended use pH of the composition. The pH will generally be in the range of about pH 3 to about pH 9, alternatively, between about pH 4 and about pH 8. The cationic charge density of a polymer, as used in the present invention , refers to the ratio between the number of positive charges in the polymer and the molecular weight of the polymer.
The average molecular weight of such suitable cationic polymers will, in general, be between about
10,000 and millions, alternatively between about
50,000 and about 5 million, and alternatively between about 100,000 and about 3 million.
[101] Cationic polymers suitable for use in the composition include polysaccharide polymers, such as cationic cellulose derivatives and cationic starch derivatives, such as hydroxy ethyl cellulose salts reacted with trimethyl ammonium epoxide. Other suitable cationic polymers include cationic guar gum derivatives, such as hydroxypropyltriamonium guar chloride. Additional suitable cationic polymers include galactomannan polymer derivatives that have a ratio of mannose to galactose greater than 2: 1
32/52 on a monomer to monomer base, such as cassia gum hydroxy propyl chloride.
[102] B. Scattered particles [103] The composition of the present invention can contain scattered particles. Particles useful in the present invention can be inorganic, synthetic or semi-synthetic in origin. If dispersed particles are present in the compositions of the present invention, they are incorporated in an amount of about 0.025% to about 20%, alternatively about 0.05% to about 10%, alternatively about 0.1% at about 5%, alternatively from about 0.25% to about 3% and, alternatively, from about 0.5% to about 2%, by weight of the composition.
[104] C. Non-ionic polymers [105] Polyalkylene glycols with a molecular weight of more than about 1,000 are useful in the present invention. Those with the following general formula are useful:
h (och ₂ ch) - ^ oh
I x ³ r ⁹⁵ where R is selected from the group consisting of H, methyl and mixtures thereof. The polyethylene glycol polymers used here are PEG-2M (also known as Polyox WSR® N -10, which is available from Union Carbide and as PEG-2,000); PEG-5M (also known as Polyox WSR® N -35 and Polyox WSR® N -80, available from Union Carbide and as PEG-5,000 and polyethylene glycol 300,000); PEG-7M (also known as Polyox WSR® N -750 available from Union Carbide); PEG-9M (also known as
33/52 as Polyox WSR® N -3333 available from Union Carbide); and PEG-14 M (also known as Polyox WSR® N-3000 available from Union Carbide).
[106] D. Additional conditioning agents [107] The compositions of the present invention may also comprise one or more conditioning agents, in addition to the dispersed gel mesh phase. Conditioning agents include materials that are used to provide a certain conditioning benefit to hair and / or skin. Conditioning agents useful in the compositions of the present invention typically contain a water-insoluble, water-dispersible and non-volatile liquid that forms emulsified liquid particles. Conditioning agents suitable for use in the composition are those generally characterized as silicones (for example, silicone oils, cationic silicones, silicone gums, high refractive silicones and silicone resins), organic conditioning oils (for example, oils hydrocarbon, polyolefins and fatty esters) or combinations of these or those conditioning agents that would otherwise form liquid particles dispersed in the aqueous surfactant matrix.
[108] In one embodiment, the shampoo composition of the present invention further comprises a non-volatile silicone oil. For an opaque composition modality, the shampoo composition comprises a non-volatile silicone oil with a particle size, as measured in the shampoo composition, from about 1 pm to about 50 pm. In one embodiment of the present invention for applying small particles to the hair, the shampoo composition comprises a non-volatile silicone oil having a size
34/52 of particle, as measured in the shampoo composition, from about 100 nm to about 1 μm. To obtain a substantially transparent composition modality, the shampoo composition comprises a non-volatile silicone oil having a particle size, as measured in the shampoo composition, less than about 100 nm.
[109] When present, the one or more conditioning agents are in an amount of about 0.01% to about 10%, alternatively from about 0.1% to about 8%, and, alternatively, from about 0.2% to about 4%, by weight of the composition.
[110] Conditioning agents can be present in the dispersed gel mesh phase or can be added to the final shampoo composition in the form of a separate component, so that they are present mainly in the continuous phase of the shampoo.
[111] E. Anti-dandruff assets [112] The compositions of the present invention may also contain an anti-dandruff asset. Some suitable non-limiting examples of anti-dandruff actives include pyridinothione salts, azoles, selenium sulfide, particulate sulfur, keratolytic agents and mixtures of these substances.
Such anti-dandruff assets must be physically and chemically compatible with the components of the composition and must not otherwise unduly impair the stability, aesthetics or performance of the product.
[113] When present in the composition, the anti-dandruff active included in an amount of about
0.01% to about
5%, alternatively from about 0.1% to about 3%, and alternatively from about
0.3% to about 2%, by weight of the composition.
35/52 [114] F. Humectants [115] The compositions of the present invention may contain a humectant. The humectants of the present invention are selected from the group consisting of polyhydric alcohols, water-soluble alkoxylated nonionic polymers and mixtures of these substances. Humectants, when used here, can be present in an amount by weight of the composition from about 0.1% to about 20%, alternatively from about 0.5% to about 5%.
[116] G. Suspending agent [117] The compositions of the present invention may further comprise a suspending agent in concentrations effective to suspend water-insoluble materials in a dispersed form in the compositions or to modify the viscosity of the composition. Such concentrations are in the range of about 0.1% to about 10%, alternatively from about 0.3% to about 5.0%, by weight of the composition.
[118] Other suspending agents useful in the present invention include crystalline suspending agents that can be characterized as derivatives of acyl, long chain amine oxides and mixtures of these substances. Such suspending agents are described in U.S. Patent No. 4,741,855. Such suspending agents can include ethylene glycol esters of fatty acids that have from about 16 to about 22 carbon atoms. Alternatives include ethylene glycol stearates, both mono- and disestearate, and disestearate containing less than about 7% monostearate.
[119] H. Other optional components [120] The compositions of the present invention may contain other optional components. Optional components
36/52 may be present in the dispersed gel mesh phase or may be added to the final shampoo composition in the form of separate components.
[121] For example, the compositions of the present invention may contain water-soluble and insoluble vitamins, such as vitamins B1, B2, B6, B12, C, pantothenic acid, pantothenyl ethyl ether, panthenol, biotin and its derivatives and vitamins A , D, E and their derivatives. The compositions of the present invention may also contain water-soluble and insoluble amino acids, such as asparagine, alanine, indole, glutamic acid and its salts and tyrosine, tryptamine, lysine, histadine and their salts. The compositions of the present invention may further comprise materials useful for preventing hair loss, as well as stimulants or agents for hair growth.
[122] Any other suitable optional component can also be included in the composition of the present invention, such as those ingredients that are conventionally used in certain types of product. The CTFA Cosmetic Ingredient Handbook, Tenth Edition (2004), published by
Cosmetic, Toiletry, and Fragrance Association, Inc., of
Washington, D.C., USA, describes a wide variety of non-limiting materials that can be added to the composition of the present invention.
Examples of these class of ingredients include, but are not limited to, abrasives, absorbents, aesthetic components such as perfumes and fragrances, pigments, dyes / colors, essential oils, skin touch modifiers, astringents, etc. (eg clove oil, menthol, camphor, eucalyptus oil, eugenol, menthol lactate, hamamelis distillate), anti-acne agents, anti-formation agents
37/52 cake, antifoam agents, microbicidal agents (eg propyl butyl iodine carbamate), bactericidal agents, fungicidal agents, antioxidants, binders, biological additives, buffering agents, swelling agents, chelating agents, chemical additives, coloring agents, cosmetic astringents, cosmetic biocides, denaturants, medicinal astringents, external analgesics, film-forming materials or materials, such as polymers, to assist in film-forming properties and in the adhesion of the composition (eg eicosene copolymer and pyrrolidone vinyl), opacifying agents , pH adjusters, plant derivatives, plant extracts, plant tissue extracts, seed extracts, vegetable oils, botanical products, botanical extracts, preservatives, propellants, reducing agents, sebum control agents, sequestrants, bleaching agents and skin whitening (eg hydroquinone, cojic acid, ascorbic acid orbic acid, ascorbyl magnesium phosphate, ascorbyl glycoside, pyridoxine), enzymes, coenzymes, skin conditioning agents (eg humectants and occlusive agents), skin softening and / or healing agents (eg panthenol and derivatives, such as ethyl panthenol, aloe vera, pantothenic acid and derivatives, allantoin, bisabolol and dipotassium glycyrrhizinate), agents for skin treatment (eg vitamin D, mono, di and triterpenoid compounds, beta-ionol, cedrol), thickeners (including a mono or divalent salt, such as sodium chloride) and vitamins, their derivatives and combinations thereof.
[123] When certain oil-soluble components, such as perfumes and fragrances, amino acids, vitamins insoluble in
38/52 water and the like, are present in the dispersed gel mesh phase, either by incorporating these components directly into the premix of the gel mesh component, or separately in the shampoo composition and, consequently, some of these components migrate to within the dispersed gel network phase during equilibration, these can be deposited effectively on the hair and / or skin. In order to obtain very effective deposition of the oil-soluble components in the hair and / or skin through their presence in the dispersed gel network phase, the oil-soluble component compositions that comprise not less than about 60% of the ingredients having a cLogP of about 3 or more can be used. For a more in-depth discussion of ClogP, and how to determine its value for various materials, see, for example, U.S. Patent Nos. 5,849,310 and 5,500,154, as well as EP 1 533 364.
[124] Viscosity [125] According to the present invention, the shampoo composition has a viscosity under zero shear rate between about 1,000 cps to about 30,000 cps, with a frequency at the point of intersection greater than about 2 Hz In one embodiment, the shampoo composition has a viscosity at zero shear rate between about 5,000 cps and about 20,000 cps, with a frequency at a point of intersection greater than about 3 Hz.
[126] In the shampoo compositions of the present invention, which have a viscosity under zero shear rate between about 1,000 cps and about 30,000 cps, with a frequency at the point of intersection greater than about 2 Hz, this allows the shampoo to be easily dispensed and
39/52 spread through the hair. Spreading and dissolving will also increase the speed of foam generation.
[127] Viscosity at zero shear rate can be achieved using an AR2000 rheometer with a peak retention for 30 seconds at 0.01 s ^-1 . The intersection frequency can be obtained by doing an oscillatory frequency scan from 0.1 to 100 Hz. The intersection point is the point at which G 'and G intersect. The frequency at the intersection is the frequency at which this occurs. A parallel cross plate can be used to increase the sample size by 1 ml and penetrate the sample to prevent slipping. The parallel plate material is acrylic to allow lower geometry inertia to assist with low resolution at higher frequencies.
[128] Process for producing a shampoo composition [129] One aspect of the invention relates to a process for producing a shampoo composition of the present invention. The process for producing the shampoo composition comprises (a) combining a fatty alcohol, a secondary surfactant, and water at a temperature sufficient to allow partitioning of the secondary surfactant and water in the fatty alcohol to form a premix; (b) cooling the premix below the melting temperature of the fatty alcohol chain to form a gel network; (c) adding the gel mesh to one or more detersive surfactants and an aqueous vehicle to form a shampoo composition that comprises a dispersed gel mesh phase that has a melt transition temperature of at least about 38 ° C .
[130] As discussed above, in one embodiment of the present invention the gel mesh component is prepared in the form of a separate premix which, after being cooled, is
40/52 subsequently incorporated into the other components of the shampoo composition. More specifically, the gel mesh component of the present invention can be prepared by heating the fatty alcohol, the secondary surfactant and the water to a temperature in the range of about 75 ° C to about 90 ° C, under mixing. This mixture is cooled to a temperature in the range of about 27 ° C to about 35 ° C, for example by passing the mixture through a heat exchanger. As a result of this cooling step, at least about fifty percent of the mixture of fatty alcohol and the secondary surfactant crystallizes to form a crystalline gel network.
[131] Alternative methods for preparing the gel mesh component include sonication and / or grinding of the fatty alcohol, secondary surfactant and water, while these components are heated, to reduce the particle size of the molten fatty alcohol phase. This results in an increase in the surface area of the fatty alcohol phase, which allows the secondary surfactant and water to expand it. Another suitable variation in the preparation of the gel network includes heating and mixing fatty alcohol and secondary surfactant, first, followed by the addition of this mixture to water.
[132] Method of use [133] The compositions of the present invention are used in a conventional manner for cleaning and conditioning hair or skin, including scalp, face and body. Generally, a method for treating hair or skin comprises applying to the hair or skin the composition of the present invention. More specifically, an effective amount of the composition is applied to the hair or
41/52 to the skin, which has been moistened with water, and then the composition is rinsed. Such effective amounts are generally in the range of about 1 g to about 50 g, alternatively from about 1 g to about 20 g. Application to the hair typically includes rubbing the composition onto the hair so that most, or all, of the hair comes into contact with the composition.
[134] The method for treating hair or skin comprises the steps of: (a) wetting hair or skin with water; (b) apply an effective amount of shampoo composition to the hair or skin and (c) rinse the applied areas of the skin or hair with water. These steps can be repeated as many times as desired to obtain the desired cleaning and conditioning benefits.
[135] In one embodiment, the shampoo composition of the present invention is advantageously used to treat damaged hair. Damaged hair may include those selected from hair subjected to perm, hair dyed by oxidizing medium, and mechanically damaged hair.
[136] in another modality, the shampoo composition is used to treat the skin, such as on the scalp, face and body.
[137] The shampoo compositions of this invention can be used in the form of liquids, solids, semi-solids, flakes or gels, placed in a pressurized container with added propellant, or used in the form of a spray pump. The viscosity of the product can be selected to accommodate the desired shape.
[138] Non-limiting examples [139] The shampoo compositions in the examples below illustrate the specific modalities of the shampoo compositions of
42/52 the present invention, but are not intended to be a limitation thereof. Other modifications can be made by the person skilled in the art, without departing from the spirit and scope of this invention. Such exemplified embodiments of the shampoo composition of the present invention offer enhanced conditioning benefits to the hair.
[140] The shampoo compositions illustrated in the Examples below are prepared by conventional formulation and mixing methods, an example of which is shown below. All exemplified quantities are listed in terms of percentage by weight and exclude secondary materials such as thinners, preservatives, colored solutions, imaging ingredients, botanicals and the like, except where indicated otherwise. All percentages are based on weight, unless otherwise specified.
[141] Preparation of the gel mesh premix [142] To prepare the gel mesh premix, the water is heated to about 74 ° C and the fatty alcohol and the secondary surfactant (eg lauret sulfate sodium) are added to it. After incorporation, this mixture is passed through a mill and a heat exchanger, where it is cooled to about 32 ° C. As a result of this cooling step, fatty alcohol, secondary surfactant and water form a network of crystalline gel.
[143] Gel mesh premix example [144] Gel Mesh premix example table
Pre-mi sure O% Sodium Lauret Sulfate (1) 10.00 Stearyl alcohol 7.07 Cetyl alcohol 3.93 Water QS
43/52 [145] Preparation of the final shampoo compositions [146] The following examples illustrate the present invention. The exemplified compositions can be prepared using conventional formulation and mixing techniques. It should be understood that other modifications of the present invention, within the practice of those skilled in the art of formulating hair care products, can be carried out without deviating from the character and scope of this invention. All 10 parts, percentages and reasons for this document are expressed in weight, unless otherwise specified. Some components can be obtained from suppliers in the form of diluted solutions. The mentioned levels reflect the weight percentage of the active material, except 15 where specified otherwise. A level of perfume and / or preservatives can also be included in the Examples below.
[147] Examples 1 to 74 of the shampoo composition
Example 1 2 3 4 5 6 7 8 Sodium lauryl sulfate 7.19 7.42 6, 96 6, 96 5.60 5.82 6, 51 7.19 Sodium Lauret Sulfate (1) 3.29 3.42 3.16 3.16 2.37 2.50 2.89 3.29 Sodium Lauret Sulfate n> 1 3.53 3.67 3.38 3.38 2.54 2.68 3.10 3.53 Cocamido propyl betaine 1.00 1.00 1.00 1.00 1.75 0.75 0.75 0.75 Lauril Hydroxisultaine 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Coconut monoethanol amide 0.00 0.25 0.75 0.75 0.00 0.75 0.00 0.25 Lauret-4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Stearyl alcohol 0.96 0.77 0.64 1.29 0.64 0.96 0.77 0.64 Cetyl alcohol 0.54 0.43 0.36 0.71 0.36 0.54 0.43 0.36 Dimethicone 330M 0.60 0.50 0.50 0.50 0.50 1.10 0.50 0.40 Dimethicone 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Guar ChlorideHydroxypropyltriamonium 0.00 0.10 0.00 0.10 0.10 0.10 0.00 0.00 Ethylene distearateGlycol 1.47 1.47 1.47 1.47 1.47 1.47 1.47 1.47
44/52
Polyquaternium-7 6 0.15 0.00 0.10 0.00 0.00 0.10 0.00 0.00 Polyquaternium-6 0.00 0.00 0.00 0.00 0.00 0.00 0.10 0.10 Sodium benzoate 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 Magnesium Sulfate 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Water QS QS QS QS QS QS QS QS 25.9 26, 3 25.1 28.6 27.3 36, 9 24.2 25.6 Maximum Melting Temperature 6 1 7 4 8 2 5 7 Enthalpy in J / g 0.01 0.04 0.03 0.03 0.07 0.09 0.13 0.01Total Anionic 14 14.5 13.5 13.5 10.5 11 12.5 14
Example 9 10 11 12 13 14 15 16 Sodium lauryl sulfate 7.64 6.28 6.28 4.69 7.64 7.19 5.82 6, 96 Sodium Lauret Sulfate (1) 3.55 2.76 2.76 1.84 3.55 3.29 2.50 3.16 Sodium Lauret Sulfaten> 1 3.81 2.96 2.96 1.97 3.81 3.53 2.68 3.38 Cocamido propyl betaine 1.50 2.00 0.75 3.00 0.00 1.00 0.75 1.00 Lauril Hydroxisultaine 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Coconut monoethanol amide 0.50 0.85 0.00 0.00 1.00 0.00 0.75 0.75 Lauret-4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Stearyl alcohol 0.64 0.64 0.96 1.16 0.64 0.90 0.96 0.96 Cetyl alcohol 0.36 0.36 0.54 0.64 0.36 0.50 0.54 0.54 Dimethicone 330M 0.20 0.20 1.00 0.50 0.60 0.80 1.10 0.80 Dimethicone 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Guar ChlorideHydroxypropyltriamonium 0.00 0.00 0.10 0.10 0.10 0.10 0.10 0.10 Ethylene distearateGlycol 1.47 1.47 1.47 1.47 1.47 1.47 1.47 1.47 Polyquaternium-7 6 0.10 0.10 0.00 0.10 0.10 0.10 0.10 0.10 Polyquaternium-6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Sodium benzoate 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 Magnesium Sulfate 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Water QS QS QS QS QS QS QS QSMaximum Melting Temperature 24.09 25.63 29.1324.12 29.38 26, 92 25.68 Enthalpy in J / g 0.004 0.02 0.17 0.00 0.02 0.04 0.09 0.03
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Total Anionic 15 12 12 8.5 15 14 11 13.5
Example 17 18 19 20 21 22 23 24 Sodium lauryl sulfate 5.82 6, 96 6.28 7.64 7.60 6.45 8.12 8.54 Sodium Lauret Sulfate (1) 2.50 3.16 2.76 3.55 2.56 2.49 2.93 3.36 Sodium Lauret Sulfaten> 1 2.68 3.38 2.96 3.81 2.75 2.66 3.14 3.60 Cocamido propyl betaine 2.00 1.00 0.75 1.50 3.06 1.73 0.00 1.15 Lauril Hydroxisultaine 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Coconut monoethanol amide 0.00 0.75 0.00 0.50 0.00 0.67 1.00 1.00 Lauret-4 0.00 0.00 0.00 0.00 0.33 0.67 0.67 0.00 Stearyl alcohol 0.64 0.64 1.29 0.77 1.29 0.64 1.61 0.96 Cetyl alcohol 0.36 0.36 0.71 0.43 0.71 0.36 0.89 0.54 Dimethicone 330M 0.80 0.80 0.60 1.00 0.70 0.70 0.70 0.70 Dimethicone 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Guar ChlorideHydroxypropyltriamonium 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 Ethylene distearateGlycol 1.47 1.47 1.47 1.47 1.47 1.47 1.47 1.47 Polyquaternium-7 6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Polyquaternium-6 0.10 0.10 0.10 0.10 0.00 0.00 0.00 0.00 Sodium benzoate 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 Magnesium sulfate 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Water QS QS QS QS QS QS QS QSMaximum Melting Temperature 25.24 24.66 26, 96 24.95 26.46 25.78 Enthalpy in J / g 0.00 0.00 0.01 0.09 0.10 0.17 0.19 0.11Total Anionic 11 13.5 12 15 12.91 11.6 14.2 15.5
Example 25 26 27 28 29 30 31 32 Sodium lauryl sulfate 5.32 8.62 5.25 8.38 5.63 5.73 8.62 6, 14 Sodium Lauret Sulfate (1) 1.78 3.32 1.82 3.12 1.63 1.58 3.32 2.63 Sodium Lauret Sulfate n> 1 1.90 3.56 1.95 3.35 1.74 1.69 3.56 2.82
46/52
Cocamido propyl betaine 0.00 0.00 0.70 0.00 0.00 1.54 2.32 2.48 Lauril Hydroxisultaine 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Coconut monoethanol amide 1.00 0.00 0.67 0.33 0.67 0.67 0.67 1.00 Lauret-4 0.67 0.67 0.67 0.00 1.00 0.33 0.33 0.00 Stearyl alcohol 0.64 0.96 0.64 1.29 1.29 1.61 0.64 0.64 Cetyl alcohol 0.36 0.54 0.36 0.71 0.71 0.89 0.36 0.36 Dimethicone 330M 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 Dimethicone 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Guar ChlorideHydroxypropyltriamonium 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 Ethylene distearateGlycol 1.47 1.47 1.47 1.47 1.47 1.47 1.47 1.47 Polyquaternium-7 6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Polyquaternium-6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Sodium benzoate 0.25 0.25 0.42 0.25 0.25 0.25 0.25 0.25 Magnesium Sulfate 0.00 0.00 0.00 0.50 0.00 0.00 0.00 0.00 Water QS QS QS QS QS QS QS QSMaximum Melting Temperature 26.26 26.80 26, 93 27.17 23.39 25.13 Enthalpy in J / g 0.16 0.12 0.16 0.13 0.00 0.00 0.03 0.08Total Anionic 9 15.5 9.02 14.85 9 9.01 15.5 11.6
Example 33 34 35 36 37 38 39 40 Sodium lauryl sulfate 5.37 5.57 5.40 5.32 6, 69 8.54 6, 68 6, 83 Sodium Lauret Sulfate (1) 1.75 1.66 1.74 1.78 2.69 3.36 2.69 2.61 Sodium Lauret Sulfaten> 1 1.88 1.78 1.86 1.90 2.88 3.60 2.88 2.80 Cocamido propyl betaine 2.16 2.24 2.17 0.71 1.80 2.29 0.00 1.84 Lauril Hydroxisultaine 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Coconut monoethanol amide 0.00 0.00 1.00 0.33 0.33 0.33 0.67 0.67 Lauret-4 1.00 0.00 0.00 0.33 0.33 0.00 0.00 0.67 Stearyl alcohol 1.61 0.64 1.61 0.96 0.96 1.61 1.61 0.96
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Cetyl alcohol 0.89 0.36 0.89 0.54 0.54 0.89 0.89 0.54 Dimethicone 330M 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 Dimethicone 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Guar ChlorideHydroxypropyltriamonium 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 Ethylene Glycol Distearate 1.47 1.47 1.47 1.47 1.47 1.47 1.47 1.47 Polyquaternium-7 6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Polyquaternium-6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Sodium benzoate 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 Magnesium Sulfate 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Water QS QS QS QS QS QS QS QSMaximum Melting Temperature27.72 27.88 27.8627.11 Enthalpy in J / g 0.00 0.05 0.00 0.00 0.03 0.02 0.00 0.08Total Anionic 9 9 9 9 12.25 15.5 12.25 12.25
Example 41 42 43 44 45 46 47 48 Sodium lauryl sulfate 8.38 5.54 5.86 6, 67 6.00 7.64 5.73 6.05 Sodium Lauret Sulfate (1) 3.12 2.30 2.14 2.88 2.50 2.64 1.58 2.58 Sodium Lauret Sulfaten> 1 3.35 2.46 2.30 3.09 2.68 2.83 1.69 2.76 Cocamido propyl betaine 1.12 0.00 0.79 0.90 0.00 3.08 1.54 2.44 Lauril Hydroxisultaine 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Coconut monoethanol amide 0.00 0.00 1.00 0.33 1.00 1.00 0.00 0.00 Lauret-4 1.00 0.67 0.67 0.00 1.00 0.33 0.67 0.33 Stearyl alcohol 0.96 0.96 1.61 0.96 1.61 1.29 1.61 1.61 Cetyl alcohol 0.54 0.54 0.89 0.54 0.89 0.71 0.89 0.89 Dimethicone 330M 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 Dimethicone 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Guar ChlorideHydroxypropyltriamonium 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 Ethylene distearateGlycol 1.47 1.47 1.47 1.47 1.47 1.47 1.47 1.47 Polyquaternium-7 6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Polyquaternium-6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
48/52
Sodium benzoate 0.50 0.50 0.33 0.33 0.50 0.42 0.50 0.25 Magnesium Sulfate 0.00 0.17 0.33 0.33 0.00 0.50 0.50 0.50 Water QS QS QS QS QS QS QS QSMaximum Melting Temperature 27.46 27.31 Enthalpy in J / g 0.07 0.00 0.00 0.07 0.00 0.00 0.00 0.00Total Anionic 14.85 10.3 10.3 12.63 11.17 13.11 9 11.39
Example 49 50 51 52 53 54 55 56 Sodium lauryl sulfate 5.12 5.16 5.73 8.23 6.24 5.59 6, 96 6, 96 Sodium Lauret Sulfate (1) 1.88 1.85 1.58 3.51 2.63 1.66 3.16 3.16 Sodium Lauret Sulfaten> 1 2.01 1.99 1.69 3.76 2.82 1.78 3.38 3.38 Cocamido propyl betaine 2.06 0.00 1.54 2.21 2.52 0.75 1.00 0.00 Lauril Hydroxisultaine 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.00 Coconut monoethanol amide 0.67 0.00 0.67 0.00 0.00 0.33 0.75 0.75 Lauret-4 1.00 0.67 1.00 0.00 0.33 0.00 0.00 0.00 Stearyl alcohol 0.96 0.64 1.29 0.64 1.61 1.29 1.29 1.29 Cetyl alcohol 0.54 0.36 0.71 0.36 0.89 0.71 0.71 0.71 Dimethicone 330M 0.70 0.70 0.70 0.70 0.70 0.70 0.00 0.50 Dimethicone 0.00 0.00 0.00 0.00 0.00 0.00 0.80 0.00 Guar ChlorideHydroxypropyltriamonium 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 Ethylene distearateGlycol 1.47 1.47 1.47 1.47 1.47 1.47 1.47 1.47 Polyquaternium-7 6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Polyquaternium-6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Sodium benzoate 0.50 0.33 0.25 0.50 0.42 0.50 0.25 0.25 Magnesium Sulfate 0.17 0.50 0.17 0.50 0.00 0.33 0.00 0.00 Water QS QS QS QS QS QS QS QSMaximum Melting Temperature 24.51 28.6 Enthalpy in J / g 0.00 0.00 0.00 0.00 0.00 0.00 0.07 0.08Total Anionic 9.01 9 9 15.5 11.69 9.03 13.5 13.5
49/52
Example 57 58 59 60 61 62 Sodium lauryl sulfate 4.09844 4.09844 4.09844 4.09844 4.09844 4.09844 Sodium Lauret Sulfate (1) 2.368988 2.368988 2.368988 2.368988 2.368988 2.368988 Sodium Lauret Sulfaten> 1 2.540132 2.540132 2.540132 2.540132 2.540132 2.540132 Cocamido propyl betaine 0.6924 0.6924 0.6924 0.6924 0.6924 0.6924 Coconut monoethanol amide 0.75 0.75 0.75 0.75 0.75 0.75 Stearyl alcohol 1.28 1.28 1.28 1.28 1.28 1.28 Cetyl alcohol 0.71 0.71 0.71 0.71 0.71 0.71 Guar ChlorideHydroxypropyltriamonium 0.15 0.15 0.15 0.15 0.15 0.15 Ethylene distearateGlycol 1.47 1.47 1.47 1.47 1.47 1.47 Sodium benzoate 0.25 0.25 0.25 0.25 0.25 0.25 EDTA 0.155 0.155 0.155 0.155 0.155 0.155 Dimethicone 330M 0.8001 0.8001 0.8001 0.8001 0.8001 0.8001 Citric acid 0.128571 0.128571 0.128571 0.128571 0.128571 0.128571 Sodium Chloride 1.2 1.3 9.8 11.2 11, 9 12.6 Water QS QS QS QS QS QS Frequency ofIntersection 3,369 3,143 69.53 4,222 84.28 15, 97 Viscosity Under RateZero Shear 8,041 7,448 10,770 9,162 7,812 11,130
Example 63 64 65 66 67 68 Sodium lauryl sulfate 4.938539 4.938539 4.938539 4.938539 5,778469 5,778469 Sodium Lauret Sulfate (1) 2.854584 2.854584 2.854584 2.854584 3.340082 3.340082 Sodium Lauret Sulfaten> 1 3.060809 3.060809 3.060809 3.060809 3.581381 3.581381 Cocamido propyl betaine 0.846257 0.846257 0.846257 0.846257 1,000114 1,000114 Coconut monoethanol amide 0.75 0.75 0.75 0.75 0.75 0.75 Stearyl alcohol 1.28 1.28 1.28 1.28 1.28 1.28 Cetyl alcohol 0.71 0.71 0.71 0.71 0.71 0.71 Guar ChlorideHydroxypropyltriamonium 0.15 0.15 0.15 0.15 0.15 0.15 Ethylene distearate 1.47 1.47 1.47 1.47 1.47 1.47
50/52
GlycolSodium benzoate 0.25 0.25 0.25 0.25 0.25 0.25 EDTA 0.155 0.155 0.155 0.155 0.155 0.155 Dimethicone 330M 0.8001 0.8001 0.8001 0.8001 0.8001 0.8001 Citric acid 0.128571 0.128571 0.128571 0.128571 0.1557143 0.1557143 Sodium Chloride 1.1 1.2 1.3 1.8 0, 8 0.9 Water QS QS QS QS QS QS Frequency ofIntersection 4,333 2,563 3.7 89.52 13.11 5.529 Viscosity Under RateZero Shear 6,135 7,913 12,030 14,680 6,792 6,853
Example 69 70 71 72 Sodium lauryl sulfate 5,778469 5,778469 5,778469 5,778469 Sodium Lauret Sulfate (1) 3.340082 3.340082 3.340082 3.340082 Sodium Lauret Sulfaten> 1 3.581381 3.581381 3.581381 3.581381 Cocamido propyl betaine 1,000114 1,000114 1,000114 1,000114 Coconut monoethanol amide 0.75 0.75 0.75 0.75 Stearyl alcohol 1.28 1.28 1.28 1.28 Cetyl alcohol 0.71 0.71 0.71 0.71 Guar ChlorideHydroxypropyltriamonium 0.15 0.15 0.15 0.15 Ethylene distearateGlycol 1.47 1.47 1.47 1.47 Sodium benzoate 0.25 0.25 0.25 0.25 EDTA 0.155 0.155 0.155 0.155 Dimethicone 330M 0.8001 0.8001 0.8001 0.8001 Citric acid 0.1557143 0.1557143 0.1557143 0.1557143 Sodium Chloride 1 1.1 1.2 1.8 Water QS QS QS QSIntersection frequency 3.157 2.1 37.41 6, 071 Viscosity Under RateZero Shear 9,012 13,080 18,700 22,090
51/52
Ingredient Supplied As Polyquaternium-7 6 Polyquaternium-76 10% active ingredient, available from Rhodia Polyquaternium-6 Mirapol 100S, available from Rhodia Jaguar C17 Jaguar C17, available fromRhodia Guar 3196 N-Hance 3196, available from Hercules Aqualon Div C500 Jaguar C500, available fromRhodia Dimethicone 330M Dimethicone 330M, available from Momentive Dimethicone Besil DM500
[148] The dimensions and values presented in the present invention should not be understood as being strictly limited to the exact numerical values mentioned. Instead, unless otherwise specified, each of these dimensions is intended to mean both the mentioned value and a range of functionally equivalent values around that value. For example, a dimension shown as 40 mm is intended to mean about 40 mm.
[149] Each of the documents cited in the present invention, including any cross-reference, related patent or patent application, is hereby incorporated in its entirety, by way of reference, unless expressly excluded or otherwise limited. The citation of any document is not an admission that it is prior art in relation to any invention presented or claimed in this document, or that it, alone or in any combination with any other reference or references, teaches, suggest or present any invention like this.
In addition, if
52/52 there is a conflict between any meaning or definition of a term mentioned in this document and any meaning or definition of the same term in a document incorporated by reference, the meaning or definition assigned to that term in this document will take precedence.
[150] Although specific embodiments of the present invention have been illustrated and described, it should be obvious to those skilled in the art that various other changes and modifications can be made without departing from the character and scope of the invention. Therefore, it is intended to cover in the appended claims all such changes and modifications that fall within the scope of the present invention.

权利要求:
Claims (15)
[1]
1. Shampoo composition, characterized by the fact that it comprises:
(a) a preformed dispersed gel network phase comprising:
(i) about 0.05% to about 14% of one or more fatty alcohols, by weight of said shampoo composition;
(ii) about 0.01% to about 15% of one or more secondary surfactants, by weight of said shampoo composition, selected from the group consisting of anionic surfactants, cationic surfactants, non-ionic surfactants and mixtures thereof; and (iii) water; and (b) from 5% to 50% by weight of said composition of
shampoo for a detersive anionic surfactant; sulfate in sodium being a combination from lauril and sodium lauret-n sulfate; the content of lauret-n sulfate in sodium which presents η> 1 and is between 0% at about 3, 82% in
weight of said shampoo composition;
the content of sodium lauret-1 sulfate being about 0.5% to about 5% by weight of said shampoo composition;
(c) from 0.5% to 3% by weight of said shampoo composition of a co-surfactant selected from the group consisting of amphoteric, zwitterionic and non-ionic surfactants;
(d) from about 20% to about 95% of an aqueous vehicle, by weight of said shampoo composition; and said shampoo composition has a transition enthalpy from 0 J / g to 0.2 J / g, as measured according to differential scanning calorimetry in a range of
Petition 870180153672, of 11/22/2018, p. 9/17
[2]
2/4 peak melt transition temperatures between 18 ° C and 30 ° C.
2. Shampoo composition, according to claim 1, characterized by the fact that it comprises from 0.5% to 2% of a co-active selected from the group consisting of amphoteric, zwiterionic and non-ionic surfactants, by weight of said composition of shampoo.
[3]
3. Shampoo composition according to claim 1 or 2, characterized by the fact that it comprises from 4% to 9% of sodium lauryl sulfate, by weight of said shampoo composition.
[4]
Shampoo composition according to any one of claims 1 to 3, characterized in that it comprises from 0.5% to 5% of sodium lauret-1 sulfate, by weight of said shampoo composition.
[5]
Shampoo composition according to any one of claims 1 to 4, characterized in that said pre-formed dispersed gel network phase comprises from 0.05% to 14% of one or more fatty alcohols, in weight of said shampoo composition.
[6]
6. Shampoo composition according to any one of claims 1 to 5, characterized by the fact that said one or more fatty alcohols are selected from the group consisting of: cetyl alcohol, stearyl alcohol, beenyl alcohol, and mixtures thereof .
[7]
Shampoo composition according to any one of claims 1 to 6, characterized by the fact that said preformed dispersed gel network phase comprises from 0.2% to 5% of one or more secondary surfactants, in weight of said shampoo composition.
Petition 870180153672, of 11/22/2018, p. 10/17
[8]
Shampoo composition according to any one of claims 1 to 7, characterized by the fact that it has a transition enthalpy of 0 J / g to 0.1 J / g, as measured according to differential scanning calorimetry in a peak temperature range of melt transition between 18 ° C and 30 ° C.
[9]
Shampoo composition according to any one of claims 1 to 8, characterized in that said pre-formed dispersed gel network phase further comprises one or more fatty compounds selected from the group consisting of fatty amides, ethers di-fatty, fatty carbamates, fatty acids, fatty esters, fatty phosphorous compounds, fatty sorbitan derivatives, alkyl sulfoxides, and mixtures thereof.
[10]
10. Shampoo composition according to any of claims 1 to 9, characterized by the fact that said zwitterionic surfactant is a betaine.
[11]
11. Shampoo composition according to any one of claims 1 to 10, characterized by the fact that the said zwitterionic surfactant is a sultaine.
[12]
12. Shampoo composition according to any one of claims 1 to 11, characterized by the fact that said nonionic surfactant is a cocomonoethanol amide.
[13]
13. Shampoo composition according to any one of claims 1 to 12, characterized by the fact that it features:
(a) a viscosity at zero shear rate between 1,000 cps and 30,000 cps; and
Petition 870180153672, of 11/22/2018, p. 11/17
4/4 (b) a frequency at an intersection point greater than 2 Hz.
[14]
14. Process for preparing the shampoo composition, as defined in any one of claims 1 to 13, characterized by the fact that it comprises the steps of:
(a) combining a fatty alcohol and a surfactant to a ratio between the weight of the fatty alcohol and the weight of the surfactant from 1: 1 to 40: 1, and a sufficient temperature
10 to allow partitioning of the surfactant in fatty alcohol to form a premix;
(b) cooling the premix below the melting temperature of the fatty alcohol chain to form a solid crystalline gel network; and
[15]
(C) adding the solid crystalline gel network to a detersive surfactant and an aqueous vehicle to form a shampoo composition.

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US10912732B2|2017-12-20|2021-02-09|The Procter And Gamble Company|Clear shampoo composition containing silicone polymers|

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CN113164362A|2018-12-14|2021-07-23|高露洁-棕榄公司|Emulsion-based silicone-free personal care compositions and methods for same|

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US10945952B2|2019-03-14|2021-03-16|Crescita Therapeutics Inc.|Rinse-off compositions and uses thereof for delivery of active agents|

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US11045397B2|2019-11-06|2021-06-29|Nohbo, LLC|Hygiene product pod and methods of using same|

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WO2021146273A1|2020-01-13|2021-07-22|The Procter & Gamble Company|Personal care composition comprising aloe vera|

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WO2021251723A1|2020-06-11|2021-12-16|코스맥스 주식회사|Conditioning shampoo composition having lamellar structure|

法律状态:
2017-08-29| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

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2018-08-28| B07A| Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]|

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2019-02-26| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

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2019-04-30| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 05/10/2012, OBSERVADAS AS CONDICOES LEGAIS. (CO) 20 (VINTE) ANOS CONTADOS A PARTIR DE 05/10/2012, OBSERVADAS AS CONDICOES LEGAIS |

优先权:

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申请号 | 申请日 | 专利标题

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US201161544769P| true| 2011-10-07|2011-10-07|

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US201161544750P| true| 2011-10-07|2011-10-07|

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US61/544,769|2011-10-07|

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US61/544,750|2011-10-07|

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US201261584515P| true| 2012-01-09|2012-01-09|

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US61/584,515|2012-01-09|

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US201261597292P| true| 2012-02-10|2012-02-10|

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US61/597,292|2012-02-10|

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PCT/US2012/058963|WO2013052802A2|2011-10-07|2012-10-05|Shampoo composition containing a gel network|

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