• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
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    • 专利摘要:
    INK JET RELEASE SYSTEM THAT UNDERSTANDS AN ENHANCED FLUID MIXTURE These are ink jet delivery systems for a fluid composition comprising from about 50% to about 100%, by weight of the composition, of a mixture active. The active mixture that has a vapor pressure less than about 2.3 kPa at 20 ° C. The composition also comprises about 0% to 50%, by weight, of a volatile carrier composition that has a vapor pressure above about 2.3 kPa at 20 ° C and an ink jet head for the release of fluid composition for air.
    公开号:BR112016021449B1
    申请号:R112016021449-8
    申请日:2015-03-18
    公开日:2020-12-01
    发明作者:Dana Paul Gruenbacher；Faiz Feisal Sherman；Stephan Gary Bush
    申请人:The Procter & Gamble Company；
    IPC主号:
    专利说明:

    FIELD OF THE INVENTION
    [0001] The present invention relates to an inkjet delivery system that comprises an improved perfume blend and a method of releasing a perfume blend into the air. BACKGROUND OF THE INVENTION
    [0002] There are several systems for releasing volatile compositions, such as perfume mixtures, into the air through an energized atomization system (ie battery / electrically powered). These attempts include battery-powered automatic aerosol air deodorizers, sold under the brand name AIRWICK by Reckitt Benckiser. Another attempt is a piezoelectric actuator that atomizes a volatile composition into fluid droplets in the air, sold under the trade name GLADE by S.C. Johnson & Son.
    [0003] Recent attempts have been made to release scents through an inkjet head. However, these attempts are directed to flavored fluids based on printing ink on a substrate or surface medium. Thus, there is a need to effectively release a perfume mixture into the air through an inkjet delivery system. SUMMARY OF THE INVENTION
    [0004] In one embodiment, a delivery system is provided which comprises a fluid composition comprising from about 50% to about 100% by weight of said composition of a volatile composition (such as a perfume mixture), wherein about from 3% to about 25% by weight of said volatile compositions has a vapor pressure greater than 2.3 kPa at 20 ° C; and an inkjet head for releasing said fluid composition into the air.
    [0005] In another embodiment, a delivery system is provided which comprises a fluid composition comprising from about 50% to about 100% by weight of said composition, of a perfume mixture, in which about 3% to about 25% by weight of said perfume mixture has a boiling point of less than 200 ° C; a reservoir which contains said fluid composition and which contains at least partially a thread; and an inkjet head in fluid communication with said wire and comprising between 1 and 300 nozzles, wherein said inkjet head emits> 4 picoliters of said fluid composition into the air from each of said 8 to 32 nozzles. DETAILED DESCRIPTION OF THE MODALITIES
    [0006] The present invention provides a delivery system comprising an ink jet and a volatile composition and methods for releasing such volatile compositions into the air by an ink jet.
    [0007] The delivery system may comprise a reservoir containing a fluid composition, an ink jet head, a power supply and a housing for containing such elements. It must be understood that the release system is not limited to the construction and arrangement of the components presented in the following description or illustrated in the drawings. The invention is applicable to other modalities that are practiced or performed in various ways. Inkjet head
    [0008] The delivery system of the present invention employs an inkjet head typically used in inkjet printing. There are two main categories of inkjet printing: "on-demand drip" and "continuous" inkjet printing.
    [0009] For continuous inkjet printing, an ink is supplied under pressure to an inkjet nozzle and expelled through a small hole. Before passing through the nozzle, the flow of pressurized paint continues through a ceramic crystal that is subjected to an electric current. This current causes a piezoelectric vibration equal to the frequency of the AC electric current (alternating current). This vibration, in turn, generates ink droplets from the continuous ink flow. The ink flow breaks into a continuous series of drops that are equally spaced and equal in size. Surrounding the jet, at a point where the drops separate from the fluid flow in a charge electrode, a voltage is applied between the charge electrode and the flow of drops. When the drops separate from the flow, each drop carries a charge proportional to the voltage applied at the time when it separates. By varying the voltage of the charge electrode at the same rate as the droplets are produced, it is possible to charge all the droplets at a predetermined level. The flow of droplets continues on its path and passes between two baffles that are kept at constant potential. In the presence of this field, a drop is deflected towards one of the plates by an amount proportional to the load carried. Drops that are not loaded are not deflected and collected in a chute to be recycled to the ink nozzle. The droplets that are loaded and therefore deflected collide with a substrate that travels at high speed at right angles in the direction of the deflection of the droplet. By varying the charge in individual drops, the desired pattern can be printed.
    [0010] In a typical "drip-on-demand" inkjet printing process, a fluid ink is expelled under pressure through a very small orifice with a diameter typically about 5 to 50 microns (0.0024 inch) in the form of tiny droplets by rapid pressure pulses. Rapid pressure pulses are typically generated in the printhead by expanding a piezoelectric crystal that vibrates at a high frequency or volatilizing a volatile composition (eg, solvent, water, propellant) within the ink for rapid heating cycles. The expansion of the piezoelectric crystal causes the ink to pass through the hole as tiny droplets in proportion to the number of vibrations in the crystal. Thermal inkjet printers employ a heating element inside the printhead to volatilize a portion of the composition that pushes most of the fluid through the orifice nozzle to form droplets in proportion to the number of on-off cycles ) of the heating element. The ink is forced out of the nozzle when necessary to print a smudge on a substrate as part of a desired image. The tiny droplets can be energized to achieve an electrical charge and deflected as in continuous inkjet printing. Conventional inkjet printers are particularly best described in US patents No. 3,465,350 and 3,465,351.
    [0011] Another type of inkjet printing process is an electrostatic inkjet process that uses an electrostatic field to extract ink through the nozzle to the substrate. The charged ink droplets are extracted to an oppositely charged printing roll behind the receiving substrate. These devices were developed by Technology International Corp., of Boulder, Colorado, USA, under the trade name of ESIJET.
    [0012] Although the present invention may employ any of the inkjet head release processes described above, the inkjet head of the present invention may include a membrane of 8 to 48 nozzles, alternatively 8 to 32 nozzles, alternatively from 8 to 16 nozzles, alternatively from 8 to 12 nozzles, which releases from 1 to 4 picoliters of fluid composition per nozzle, alternatively from 1 to 2 picoliters per nozzle in an inkjet head that can be less than about 25 mm2. In some embodiments, the inkjet head releases from about 5 mg to about 40 mg of fluid composition per hour into the air. One type of membrane suitable for the present invention is an integrated nozzle membrane obtained using microelectromechanical systems (MEMS) technology, as described in US patent 2010/01547910. The MEMS head of the invention may comprise a thermal driver or a piezomechanical driver. A thermal MEMS heats a fluid present in a chamber to a point where at least part of the fluid boils and leaves the chamber carrying the remaining portion of the fluid with it. A piezo MEMS trigger mechanically vibrates and triggers the composition of the chamber. Reservoir
    [0013] The release system includes a reservoir to contain the fluid composition. In some embodiments, the reservoir is configured to contain from about 0.2 to about 50 ml of fluid composition, alternatively from about 10 to about 30 ml of fluid composition, alternatively from about 15 to about 20 ml of fluid fluid composition. The delivery system can be configured to have multiple reservoirs, each containing the same composition or a different composition. The reservoir can be formed as a separate construction, in order to be replaceable (for example, a refill). The reservoir can be produced from any material suitable for containing a fluid composition. Suitable materials for containers include, but are not limited to, glass and plastic. Examples of such reservoirs are readily available on the market.
    [0014] The reservoir may comprise a capillary element produced from any material for absorption by capillary effect available for sale, such as a fibrous or porous thread containing multiple interconnected open cells that form capillary passages to extract a fluid composition from the reservoir to enter in contact with the fluid feed flow of the inkjet mechanism. Non-limiting examples of compositions suitable for the capillary element include polyethylene, ultra-high molecular weight polyethylene (PEUAPM), nylon 6 (N6), polypropylene (PP), polyester fibers, ethyl vinyl acetate, polyether sulfone, polyvinylidene fluoride ( PVDF) and polyether sulfone (PES), polytetrafluroethylene (PTFE) and combinations thereof.
    [0015] In some embodiments, the capillary element can be a high density capillary absorption composition to assist in containing the aroma of a perfume mixture. In one embodiment, the capillary element is produced from a plastic material chosen from high density polyethylene (HDPE). As used herein, high density capillary absorption compositions include any material for conventional capillary absorption known in the art that has a pore diameter or equivalent pore diameter (for example, in the case of fiber-based yarns) in the range from about 20 microns to about 150 microns, alternatively from about 30 microns to about 70 microns, alternatively from about 30 microns to about 50 microns, alternatively about 40 microns to about 50 microns.
    [0016] In some embodiments, the capillary element is free of polyurethane foam. Many inkjet cartridges use an open cell polyurethane foam that can be incompatible with perfume mixes over time (for example, after 2 or 3 months) and can decompose. Regardless of the material of manufacture, the capillary element can exhibit an average pore size of about 10 microns to about 500 microns, alternatively from about 50 microns to about 150 microns, alternatively about 70 microns. The average pore volume of the yarn is from about 15% to about 85%, alternatively from about 25% to about 50%. Good results were obtained with threads that have an average pore volume of about 38%. The capillary element can also have a variable length, such as from about 1 mm to about 100 mm, or from about 5 mm to about 75 mm, or from about 10 mm to about 50 mm.
    [0017] The capillary element is in fluid communication with the fluid composition and can extend at least partially out of the reservoir. In some embodiments, the capillary element can be completely surrounded by the reservoir walls. Depending on the configuration of the delivery system, a fluid composition can move up or down through the capillary element. After flowing from the reservoir, the fluid composition can continue to travel downstream to a holding tank, from which the inkjet head draws fluid to atomize the fluid into the air.
    [0018] In some embodiments, the delivery system may include a fluid channel positioned on a flow path between the capillary element and the holding tank. A channel can be useful in configurations where the reservoir and the holding tank are placed laterally to each other. The channel length, measured from the capillary element to the center of the reservoir, can be about 12 mm, alternatively about 13 mm, alternatively about 14 mm, alternatively about 15 mm, alternatively about 11 mm, alternatively about 10 mm. Fluid composition
    [0019] To operate satisfactorily within an inkjet delivery system, many characteristics of a fluid composition are taken into account. Some factors include formulating fluids with viscosities that are ideal for emission from the inkjet head, formulating fluids with limited amounts or no suspended solids that would obstruct the inkjet head, formulating fluids so that they are sufficiently stable to that do not dry out and obstruct the inkjet head, etc. The satisfactory operation in an inkjet delivery system, however, meets only a few of the requirements necessary for a fluid composition to have more than 50% by weight of a perfume mixture to be properly atomized from a system. of inkjet release and be released effectively as an air deodorization or unpleasant odor reducing composition.
    [0020] The fluid composition of the present invention may exhibit a viscosity of less than 20 centipoise ("cps"), alternatively less than 18 cps, alternatively less than 16 cps, alternatively from about 5 cps to about 16 cps, alternatively about 8 cps at about 15 cps. And, the volatile composition can have surface tensions below about 35, alternatively between about 20 to about 30 dynes per centimeter. Viscosity is in cps, as determined using the Bohlin CVO rheometer system in conjunction with a highly sensitive double space geometry.
    [0021] In some embodiments, the fluid composition is free of suspended solids or solid particles existing in a mixture in which particulate matter is dispersed within a liquid matrix. Being free of suspended solids is distinguishable from dissolved solids that are characteristic of some perfume materials.
    [0022] The fluid composition of the present invention comprises a perfume blend present in an amount greater than about 50% by weight of the fluid composition, alternatively greater than about 60%, alternatively greater than about 70%, alternatively greater than about from 75%, alternatively and greater than about 80%, alternatively from about 50% to about 100%, alternatively from about 60% to about 100%, alternatively from about 70% to about 100%, alternatively from about 80% to about 100%, alternatively from about 90% to about 100%. In some embodiments, the fluid composition may consist entirely of the perfume blend (i.e., 100% by weight).
    [0023] In one embodiment, the fluid composition of the system can comprise between about 50% and 10% of an active mixture. The active mixture has a vapor pressure less than about 2.3 kPa at 20 ° C. The fluid composition further comprises between about 0% and about 50% of a carrier. The carrier has a vapor pressure greater than about 2.3 kPa at 20 ° C. Exemplary active mixtures include: hydroxy radical, hydrogen peroxide and potassium permanganate.
    [0024] The perfume mix may contain one or more perfume materials. Perfume materials are selected based on the material's boiling point ("PE" - boiling point). The PE referred to in the present invention is measured under normal pressure of 101 kPa (760 mm Hg). The PE of many perfume ingredients in the 101 kPa (760 mm Hg) standard can be found in "Perfume and Flavor Chemicals (Aroma Chemicals)", written and published by Steffen Arctander, 1969.
    [0025] In the present invention, the perfume blend can have a PE less than 250 ° C, alternatively less than 225 ° C, alternatively less than 200 ° C, alternatively less than about 150 ° C, alternatively less than about 120 ° C, alternatively less than about 100 ° C, alternatively about 50 ° C to about 200 ° C, alternatively about 110 ° C to about 140 ° C. In some embodiments, about 3% by weight to about 25% by weight of the perfume mixture has a PE of less than 200 ° C, alternatively about 5% by weight to about 25% by weight of the perfume mixture has a PE. PE less than 200 ° C.
    [0026] Table 1 lists some non-limiting, exemplifying and individual perfume materials suitable for the perfume blend of the present invention. Table 1


    [0027] Table 2 shows an exemplary perfume blend that has a total PE below 200 ° C. Table 2

    [0028] When formulating fluid compositions for the present invention, they may also include solvents, diluents, extenders, fixatives, thickeners or the like. Non-limiting examples of such materials are ethyl alcohol, carbitol, diethylene glycol, dipropylene glycol, diethyl phthalate, triethyl citrate, isopropyl myristate, ethyl cellulose and benzyl benzoate.
    [0029] In some embodiments, the fluid composition may contain functional perfume components ("CPFs" - functional perfume components). CPFs are a class of perfume raw material with evaporation properties that are similar to traditional organic solvents or volatile organic compounds ("VOCs" - volatile organic compounds). "VOCs", as used here, means volatile organic compounds that have a vapor pressure greater than 0.03 kPa (0.2 mm Hg) measured at 20 ° C and which aids in the evaporation of perfume. Exemplary VOCs include the following organic solvents: dipropylene glycol methyl ether ("DPM" - dipropylene glycol methyl ether), 3-methoxy-3-methyl-1-butanol ("MMB" - 3-methoxy-3-methyl-1- butanol), volatile silicone oil and methyl dipropylene glycol esters, ethyl, propyl, butyl, ethylene glycol methyl ether, ethylene glycol ethyl ether, diethylene glycol methyl ether, diethylene glycol ethyl ether or any VOC under the name commercial Dowanol ™ glycolic ether. VOCs are commonly used at levels greater than 20% in a fluid composition to aid in the evaporation of perfume.
    [0030] The CPFs of the present invention assist in the evaporation of perfume materials and can provide a hedonic fragrance benefit. CPFs can be used in relatively large concentrations without having a negative impact on the perfume character of the total composition. Thus, in some embodiments, the fluid composition of the present invention can be substantially free of VOCs, which means that it is not more than 18%, alternatively not more than 6%, alternatively not more than 5%, alternatively not more than 1%, alternatively no more than 0.5% by weight of the VOC composition. The volatile composition, in some modalities, can be free of VOCs.
    [0031] Perfume materials that are suitable, such as a CPF, can have an IK, as defined above, from about 800 to about 1,500, alternatively from about 900 to about 1,200, alternatively from about 1,000 to about 1,100, alternatively about 1,000.
    [0032] Perfume materials that are suitable for use as a CPF can also be defined using an odor detection threshold ("ODT") and non-polarizing aroma character for a given field of aroma of the perfume character. ODTs can be determined using a commercial gas chromatograph equipped with flame ionization and a suction port. The gas chromatograph is calibrated to determine the exact volume of material injected by the syringe, the precise division ratio and the hydrocarbon response using a hydrocarbon standard of known concentration and chain length distribution. The air flow is accurately measured and, assuming that the duration of a human inhalation takes 12 seconds, the sampled volume is calculated. Since the precise concentration in the detector at any time is known, the mass per volume inhaled is known and the concentration of the material can be calculated. To determine if a material has a threshold below 50 ppb, the solutions are applied to the suction port at the concentration obtained by calculating back. An examiner aspirates the gas chromatograph effluent and identifies the retention time when an odor is perceived. The average of all examiners determines the perceptibility threshold. The required amount of analyte is injected into the column to obtain a concentration of 50 ppb in the detector. The typical parameters of a gas chromatograph to determine ODTs are mentioned below. The test is conducted according to the directives associated with the equipment. Equipment: CG: Series 5890 with FID detector (Agilent Technologies, Ind., Palo Alto, California, USA); 7673 auto-sampler (Agilent Technologies, Ind., Palo Alto, California, USA); Column: DB-1 (Agilent Technologies, Ind., Palo Alto, California, USA) Length 30 meters, DI 0.25 mm, film thickness 1 micron (a layer of polymer on the inner wall of the capillary tube, which provides the selective partition for the occurrence of separations). Method Parameters: Split injection: 17/1 split ratio; Auto-sampler: 1.13 microliter by injection; Column flow: 1.10 ml / minute; Air flow: 345 ml / minute; Inlet temperature 245 ° C; Detector temperature 285 ° C. Temperature information: Initial temperature: 50 ° C; Speed: 5C / minute; Final temperature: 280 ° C; Final time: 6 minutes; Assumptions: (i) 12 seconds per aspiration (ii) the gas chromatograph adds air for sample dilution.
    [0033] CPFs may have an ODT greater than about 1.0 part per billion ("ppb"), alternatively greater than about 5.0 ppb, alternatively greater than about 10.0 ppb, alternatively greater than about 20.0 ppb, alternatively greater than about 30.0 ppb, alternatively greater than about 0.1 part per million.
    [0034] In one embodiment, the CPFs in a fluid composition of the present invention can have an IK in the range of about 900 to about 1,400; alternatively from about 1,000 to about 1,300. These CPFs can be an ether, an alcohol, an aldehyde, an acetate, a ketone or mixtures thereof.
    [0035] CPFs can be highly volatile perfume materials with low PE. Exemplary CPFs include isononyl acetate, dihydromyrcenol (3-methylene-7-methyl octane-7-ol), linalool (3-hydroxy-3,7-dimethyl-1,6,6 octadiene), geraniol (3, 7 dimethyl -2,6-octadiene-1-ol), d-limonene (1-methyl-4-isopropenyl-1-cyclohexene, benzyl acetate, isopropyl myristate and mixtures thereof. Table 3 lists the approximate reported values for exemplifying properties of certain CPFs. Table 3

    [0036] The total amount of CPFs in the perfume mix can be greater than about 50%, alternatively greater than about 60%, alternatively greater than about 70%, alternatively greater than about 75%, alternatively greater than about 80%, alternatively about 50% to about 100%, alternatively about 60% to about 100%, alternatively about 70% to about 100%, alternatively about 75% to about 100% , alternatively from about 80% to about 100%, alternatively from about 85% to about 100%, alternatively from about 90% to about 100%, alternatively about 100% by weight of the perfume mixture. In some embodiments, the perfume blend may consist entirely of CPFs (i.e., 100% by weight).
    [0037] For purposes of illustrating the present invention in more detail, Table 4 lists an exemplary non-limiting fluid composition comprising CPFs and their approximate reported values for IK and PE. Table 4


    [0038] It is considered that the fluid composition may comprise other volatile materials in addition to or in place of the perfume mixture including, but not limited to, volatile dyes; compositions that work as insecticides; essential oils or materials that act to condition, modify or otherwise modify the environment (for example, to help sleep, wake up, respiratory health, and similar conditions); deodorants or unpleasant odor control compositions (for example, odor neutralizing materials, such as reactive aldehydes (as shown in US patent 2005/0124512), odor blocking materials, odor masking materials or sensory modification materials, such as ionones (also disclosed in US patent 2005/0124512)). Optional features Fan
    [0039] In another aspect of the invention, the delivery system may comprise a fan to help conduct the filling of the environment and help prevent the larger droplets from falling on surrounding surfaces, which could damage the surface. The fan can be any known fan used in the art for room deodorization systems that releases 1 to 1,000 cubic centimeters of air / minute, alternatively 10 to 100 cubic centimeters / minute. Sensors
    [0040] In some modalities, the release system may include commercially available sensors that respond to environmental stimuli, such as light, noise, movement and / or odor levels in the air. For example, the release system can be programmed to turn on when it detects light and / or turn off when it detects that there is no light. In another example, the release system can turn on when the sensor detects a person moving adjacent to the sensor. The sensors can also be used to monitor odor levels in the air. The odor sensor can be used to turn on the release system, increase the heat or fan speed and / or intensify the application of the fluid composition of the release system, when necessary.
    [0041] The sensor can also be used to measure fluid levels in the reservoir to indicate the end of the product in the reservoir before depletion. In this case, an LED light may come on to indicate that the reservoir needs to be refilled or replaced with a new reservoir.
    [0042] The sensors can be integral to the housing of the release system or be in a remote location (that is, physically separate from the housing of the release system), such as a remote computer or smart phone / mobile device. The sensors can communicate with the release system remotely via low-power bluetooth, 6lowpan radios or any other means to communicate wirelessly with a device and / or a controller (for example, smartphone or computer). Laptop / battery
    [0043] The release system can be configured to be compact and easily portable. In that case, the release system can be battery operated. The release system can be used with electrical sources, such as 9 V batteries, conventional dry cells, such as "A", "AA", "AAA", "C" and "D" cells, button cells, batteries clock, solar cells, as well as rechargeable batteries with charging base. Programming
    [0044] The release system can include programmable electronic components to regulate a precise intensity level and the release rate (in milligrams per hour). Alternatively, the electronic circuit of the release system can enable a user to adjust the intensity and / or timing of the release of the fluid composition according to personal preference, effectiveness or size of the environment. For example, the delivery system can provide 5 levels of intensity for a user to select and release options for the fluid composition selected by the user every 6, 12 or 24 hours.
    [0045] In application systems with multiple reservoirs, a microprocessor and a timer can be installed to emit the fluid composition from individual reservoirs at different times and for selected periods of time, including emitting volatile compositions in an alternating emission pattern , as described in US patent 7,223,361. In addition, the delivery system can be programmable so that a user can select certain compositions for emission. In the case of aromatized perfumes that are emitted simultaneously, a personalized aroma can be released into the air.
    [0046] Throughout this specification, the components mentioned in the singular must be understood as being mentioned both in the singular and in the plural of that component.
    [0047] All percentages given in the present invention are expressed in weight, unless otherwise specified.
    [0048] Each numerical range mentioned in this specification includes each more restricted number range that is located within this broader number range, as if such more restricted number ranges were expressly recorded in this document. For example, a range declared "1 to 10" should be considered to include any and all sub-ranges between (and including) the minimum value of 1 and the maximum value of 10; that is, all sub-bands that start with a minimum value of 1 or more and end with a maximum value of 10 or less, for example, 1 to 6.1, 3.5 to 7.8, 5.5 to 10 , etc.
    [0049] Additionally, the dimensions and values presented in this document 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 revealed as "40 mm" is intended to mean "about 40 mm".
    [0050] Any document cited in the present invention, including any cross-reference, patent or related application, is hereby incorporated in its entirety, by way of reference, unless expressly excluded or otherwise limited. Mention of any document is not an admission that it constitutes prior art in relation to any invention disclosed or claimed in the present invention, nor that by itself or in any combination with any other reference or references, it teaches, suggests or reveals such an invention . In addition, if 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.
    [0051] Although specific embodiments of the present invention have been 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. It is intended, therefore, 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 (5)
    [0001]
    1. Release system characterized by the fact that it comprises: a fluid composition comprising 50% to 100%, by weight of said composition, of an active mixture, the active mixture having a vapor pressure of less than 2.3 kPa at 20 ° C; from 0% to 50%, by weight, of a volatile carrier composition that has a vapor pressure above 2.3 kPa at 20 ° C and an ink jet head of microelectromechanical systems (MEMS) to release said composition fluid.
    [0002]
    2. Release system according to claim 1, characterized in that said MEMS inkjet head comprises a thermal inkjet head.
    [0003]
    3. Release system according to claim 1, characterized by the fact that the MEMS inkjet head comprises a piezo MEMS driver.
    [0004]
    4. Release system according to claim 1, characterized by the fact that it additionally comprises a sensor selected from the group consisting of a motion sensor, a light sensor, a fluid detection sensor, a volatile organic compound (VOC), chemical detector, texture sensor, acoustic sensor and combinations thereof.
    [0005]
    5. Release system characterized by the fact that it comprises: a fluid composition comprising 50% to 100%, by weight of said composition, of an active mixture, the active mixture having a vapor pressure of less than 2.3 kPa at 20 ° C; from 0% to 50%, by weight, of a volatile carrier composition that has a vapor pressure above 2.3 kPa at 20 ° C; at least one reservoir that contains said fluid composition and that contains at least partially a thread; and a MEMS inkjet head in fluid communication with said wire and comprising between 1 and 300 nozzles, wherein said MEMS inkjet head emits more than 4 picoliters of said fluid composition from each of said 1 to 300 nozzles.
    类似技术:
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    法律状态:
    2019-08-13| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-07-28| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2020-12-01| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 18/03/2015, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US14/217,524|US9211356B2|2014-03-18|2014-03-18|Ink jet delivery system comprising an improved fluid mixture|
    US14/217,524|2014-03-18|
    PCT/US2015/021221|WO2015143022A2|2014-03-18|2015-03-18|Ink jet delivery system comprising an improved fluid mixture|
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