WO2020035376A1 - Compositions de gel - Google Patents

Compositions de gel Download PDF

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Publication number
WO2020035376A1
WO2020035376A1 PCT/EP2019/071257 EP2019071257W WO2020035376A1 WO 2020035376 A1 WO2020035376 A1 WO 2020035376A1 EP 2019071257 W EP2019071257 W EP 2019071257W WO 2020035376 A1 WO2020035376 A1 WO 2020035376A1
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WO
WIPO (PCT)
Prior art keywords
gel composition
composition according
gel
active
liquid medium
Prior art date
Application number
PCT/EP2019/071257
Other languages
English (en)
Inventor
Giovanni Francesco Unali
Original Assignee
Unilever Plc
Unilever N.V.
Conopco, Inc., D/B/A Unilever
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unilever Plc, Unilever N.V., Conopco, Inc., D/B/A Unilever filed Critical Unilever Plc
Publication of WO2020035376A1 publication Critical patent/WO2020035376A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0216—Solid or semisolid forms
    • A61K8/0233—Distinct layers, e.g. core/shell sticks
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/16—Cloths; Pads; Sponges
    • A47L13/17—Cloths; Pads; Sponges containing cleaning agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04—Dispersions; Emulsions
    • A61K8/042—Gels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
    • A61Q1/02—Preparations containing skin colorants, e.g. pigments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
    • A61Q1/14—Preparations for removing make-up
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q13/00—Formulations or additives for perfume preparations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q15/00—Anti-perspirants or body deodorants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A61Q19/10—Washing or bathing preparations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • C11D17/042—Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions
    • C11D17/043—Liquid or thixotropic (gel) compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/049—Cleaning or scouring pads; Wipes

Definitions

  • the present invention relates to gel compositions, in particular gel compositions for use in homecare and personal care applications.
  • a suitable carrier composition by adding components to a compatible liquid medium (solvent), and then modifying the rheology of the carrier composition using a suitable thickening (gelling) agent.
  • a suitable thickening agent can be sensitive to the components of the carrier composition, including the liquid medium and particular active ingredient(s).
  • the performance of the components in the carrier composition can be negatively impacted by the particular thickening agent used.
  • the gel should be sufficiently mouldable and malleable to allow it to be formed into a desired shape during manufacture, but then sufficiently self-supporting and robust to retain the desired shape longer term.
  • the mechanical and chemical properties must remain storage stable so as to allow the gel to be transported, stored, handled and subsequently used.
  • the gel must not display unwanted changes in mechanical properties (such as changes in strength, rigidity and friability) over time or with changes in temperature, humidity or other environmental conditions.
  • the present invention provides, in a first aspect, a gel composition suitable for making a homecare or personal care product, the gel composition comprising: a thickener selected from hydroxypropyl methylcellulose (HPMC) and gelatin;
  • a thickener selected from hydroxypropyl methylcellulose (HPMC) and gelatin;
  • a low boiling point non-aqueous liquid medium selected from an alcohol, ketone or ether
  • a homecare of personal care active ingredient comprising one or more actives selected from a cleaning active, care active, cosmetic active, fragrance active, or a corrosive active.
  • the use of a low boiling point non-aqueous liquid medium selected from an alcohol, ketone or ether in a composition thickened with HPMC or gelatin allows the gel composition to initially have a malleable consistency which subsequently sets and hardens as the liquid medium evaporates. This allows the gel composition to initially be deformed into a desired shape, and then to harden into a stable form which can be stored long term.
  • the gel composition of the first aspect provides a suitable starting material for processing into a final homecare or personal care product, which can provide great flexibility in terms of the form and content of the final product.
  • the thickener may be hydroxypropyl methylcellulose (often referred to as hypromellose, and referred to herein as HPMC).
  • HPMC hydroxypropyl methylcellulose
  • the present inventors have found that HPMC forms gels with all of the non-aqueous liquid media specified above, and is relatively insensitive to the inclusion of the active ingredients. This means that the system can be adapted for use in a range of products, and allows the liquid medium to be chosen based on the particular active ingredients being used, without being particularly constrained by consideration of the compatibility of the thickener and liquid medium.
  • the evaporation rate of liquid media from HPMC at atmospheric pressure is relatively rapid, meaning that an initial gel can be formed into a desired shape and rapidly solidify through evaporation of the liquid medium to produce a storage stable product. This has advantages for manufacturing, since the time between gel production and final packaging can be minimised.
  • HPMC gels can be structurally robust and do not disintegrate or collapse upon drying.
  • the weight average molecular weight of the HPMC may be, for example, 10 kDa or more, 15 kDa or more, or 20 kDa or more.
  • the upper limit for the weight average molecular weight of the HPMC may be, for example 200 kDa, 100 kDa, 75 kDa, or 50 kDa.
  • the thickener may be gelatin.
  • the present inventors have found that the evaporation rate of liquid media from gelatin at atmospheric pressure is relatively rapid, meaning that an initial gel can be formed into a desired shape and rapidly solidify through evaporation of the liquid medium to produce a storage stable product.
  • the thickener may be present in an amount of, for example, 0.01 wt.% or more; 0.1 wt.% or more; 0.5 wt.% or more; 1 wt.% or more; 1.5 wt.% or more; 2 wt.% or more; or 3 wt.% or more, the wt.% being relative to the weight of the composition as a whole.
  • the upper limit for the amount of thickener may be, for example, 60 wt.%, 50 wt.%, 40 wt.%, 35 wt.%, 30 wt.%, 25 wt.%, 20 wt.%, 15 wt.%, 12 wt.%, 10 wt.%, 8 wt.%, 6 wt.%, 5 wt.%, or 4 wt.%.
  • the amount of thickener may be 0.01 to 25 wt.%, 0.5 to 10 wt.%, or 1 to 5 wt.%.
  • the low boiling point non-aqueous liquid medium has an atmospheric boiling point (that is, a boiling point as measured at a pressure of 1 atmosphere) of less than 100°C, for example less than 95°C, less than 90°C, or less than 80°C.
  • the atmospheric boiling point is the value determined for the pure liquid.
  • the non-aqueous liquid medium is selected from alcohols, ketones, and ethers.
  • the non-aqueous liquid medium may be selected from ethanol, isopropyl alcohol, acetone, or diethyl ether.
  • these liquid media have relatively low atmospheric boiling points (that is, the boiling point of the pure liquid as measured at a pressure of 1 atmosphere), meaning that the evaporation rate of the liquid media is relatively rapid.
  • HPMC forms stable gels with all of these solvents, and that these gels can incorporate a wide range of homecare and personal care active ingredients.
  • the low boiling point non-aqueous liquid medium is acetone.
  • the gel composition may comprise more than one type of non-aqueous liquid medium, as described above.
  • the non-aqueous liquid medium may be present in an amount of 5 wt.% or more, 10 wt.% or more, 15 wt.% or more, 20 wt.% or more, 25 wt.% or more, 30 wt.% or more, 40 wt.% or more, 50 wt.% or more, 60 wt.% or more, 70 wt.% or more, 75 wt.% or more, 80 wt.% or more, 85 wt.% or more, or 90 wt.% or more, as a percentage of the total weight of the gel composition.
  • the total amount may be 5 wt.% or more, 10 wt.% or more, 15 wt.% or more, 20 wt.% or more, 25 wt.% or more, 30 wt.% or more, 40 wt.% or more, 50 wt.% or more, 60 wt.% or more, 70 wt.% or more, 75 wt.% or more, 80 wt.% or more, 85 wt.% or more, or 90 wt.% or more, as a percentage of the total weight of the gel composition.
  • the gel composition may also contain water, in addition to the non-aqueous liquid medium.
  • the water content of the gel composition may be, for example, 80 wt.% or less, 70 wt.% or less, 60 wt.% or less, 50 wt.% or less, 40 wt.% or less, 30 wt.% or less, 25 wt.% or less, 20 wt.% or less, 15 wt.% or less, 10 wt.% or less, 5 wt.% or less, or 2 wt.% or less, as a percentage of the total weight of the gel composition.
  • the gel composition comprises a homecare and/or personal care active ingredient.
  • the active ingredient is a constituent which imparts a specific activity to the gel composition which makes the gel suited to a particular application.
  • the active ingredient achieves an effect beyond formation of the gel itself, and may be deliverable from the gel to achieve that effect.
  • the homecare or personal care active ingredient may be one or more actives selected from a cleaning active, care active, cosmetic active, fragrance active, or a corrosive active.
  • the active ingredient may be a cleaning active, such as a surface cleaning active (e.g. hard surface cleaning active), a fabric cleaning active, a body cleaning active, or a make-up removal active.
  • a surface cleaning active e.g. hard surface cleaning active
  • a fabric cleaning active e.g. fabric cleaning active
  • a body cleaning active e.g. body cleaning active
  • a make-up removal active e.g. make-up removal active.
  • the active ingredient may be a care active, such as a conditioning active (e.g. a fabric conditioning active), a softening active, a skincare active (e.g. moisturiser or sunscreen), a medical active, an anti-corrosion active, or a polish active.
  • a conditioning active e.g. a fabric conditioning active
  • a softening active e.g. a moisturiser or sunscreen
  • a skincare active e.g. moisturiser or sunscreen
  • a medical active e.g. moisturiser or sunscreen
  • an anti-corrosion active e.g., a polish active.
  • the active ingredient may be a cosmetic active, such as a make-up colorant.
  • the active ingredient may be a fragrance active, such as a perfume.
  • the active ingredient may be a corrosive active, such as a paint stripper.
  • the active ingredient may be present in an amount of, for example, 50 wt.% or less, 40 wt.% or less, 30 wt.% or less, 20 wt.% or less, or 10 wt.% or less, as a percentage of the total weight of the gel composition.
  • Suitable cleaning actives include surfactants.
  • the surfactant may be present in an amount of 50 wt.% or less, 40 wt.% or less, 30 wt.% or less, 20 wt.% or less, or 10 wt.% or less, as a percentage of the total weight of the gel composition.
  • the surfactant may be present in an amount of 0.001 wt.% or more, 0.01 wt.% or more, 0.05 wt.% or more, or 0.1 wt.% or more.
  • the surfactant is present in an amount of 0.01 to 10 wt.% of the composition.
  • the surfactant may be selected form the group consisting of anionic, non-ionic, cationic, amphoteric/zwitterionic surfactants and mixtures thereof.
  • the surfactant is or includes a non-ionic surfactant, or mixture of non-ionic surfactants.
  • Nonionic surfactants include primary and secondary alcohol ethoxylates, especially C8-C20 aliphatic alcohol ethoxylated with an average of from 1 to 20 moles of ethylene oxide per mole of alcohol, and more especially the C10-C15 primary and secondary aliphatic alcohols ethoxylated with an average of from 1 to 10 moles of ethylene oxide per mole of alcohol.
  • Non-ethoxylated nonionic surfactants include alkyl polyglycosides, glycerol monoethers and polyhydroxy amides (glucamide).
  • the nonionic surfactant may be alcohol ethoxylate, nonylphenol ethoxylate, alkylpolyglycoside, alkyldimethylamineoxide, ethoxylated fatty acid monoethanolamide, fatty acid monoethanolamide, polyhydroxy alkyl fatty acid amide, or N-acyl N-alkyl derivatives of glucosamine (“glucamides”). Mixtures of nonionic surfactant may be used.
  • Nonionic surfactants that may preferably be used include the primary and secondary alcohol ethoxylates, especially the C8-C20 aliphatic alcohols ethoxylated with an average of from 1 to 35 moles of ethylene oxide per mole of alcohol, and more especially the C9-C15 primary and secondary aliphatic alcohols ethoxylated with an average of from 1 to 10 moles of ethylene oxide per mole of alcohol.
  • Suitable anionic surfactants include alkyl sulphonates, such as alkylbenzene sulphonates, particularly linear alkylbenzene sulphonates having an alkyl chain length of Cs-C-is.
  • the counter ion for anionic surfactants is generally an alkali metal, typically sodium, although other counter-ions for example MEA, TEA or ammonium can be used.
  • Suitable linear alkyl benzene sulphonate surfactants include Detal LAS with an alkyl chain length of from 8 to 15, more preferably 12 to 14.
  • anionic surfactants include linear carbon chain sulfates, alcohol ether sulfates, alcohol sulfates, alkyl- and alkylaryl-alkyoxylated carboxylic acid, and the acid forms of these anionic surfactants.
  • the composition may comprise an alkyl polyethoxylate sulphate anionic surfactant of the formula: R0(C 2 H 4 0) X S03-M + where R is an alkyl chain having from 10 to 22 carbon atoms, saturated or unsaturated, M is a cation which makes the compound water-soluble, especially an alkali metal, ammonium or substituted ammonium cation (e.g.
  • R is an alkyl chain having from 12 to 16 carbon atoms
  • M is sodium and x averages from 1 to 3, preferably x is 3;
  • SLES sodium lauryl ether sulphate
  • Suitable cationic surfactants include quaternary ammonium salts having the formula:
  • R a , R b , R c , and R d are each Ci- 24 alkyl, aryl or aralkyl groups
  • X is a suitable counterion such as F, Cl, Br, I or an alkyl sulfate.
  • Suitable zwitterionic surfactants include, for example, betaines, sultaines and glycines.
  • the gel composition may have a viscosity of 500 cP or more at 25°C.
  • the gel composition may have a viscosity of 1 ,000 cP or more; 1 ,500 cP or more; 2,000 cP or more; 3,000 cP or more; 4,000 cP or more; 5,000 cP or more; 10,000 cP or more; 20,000 cP or more; 30,000 cP or more; 40,000 cP or more; 50,000 cP or more; 75,000 cP or more; or 100,000 cP or more, as measured at 25°C.
  • the upper limit for the viscosity may be, for example, 200,000 cP, 150,000 cP, 100,000 cP, 75,000 cP or 50,000 cP.
  • the viscosity can be determined using a Stony Brook Portable Field Viscometer (PDVdi-120) according to the manufacturer’s instructions.
  • the gel composition of the first aspect is capable of losing non-aqueous liquid medium so as to change its viscosity over time. To aid manufacturing, this
  • evaporation rate may be relatively rapid so as to allow the composition to rapidly harden.
  • the evaporation rate may be measured by the rate of weight loss upon drying.
  • the gel composition may lose 10% or more, 20% or more, 30% or more, 40% or more, 50% or more, 60% or more, 70% or more, or 80% or more of its weight when heated at a temperature of 125°C for 5 minutes.
  • This weight loss may be monitored using a Mettler Toledo Halogen Analyzer (HG53). More specifically, the weight loss may be monitored by pipetting a 300 mg sample of the gel composition onto the centre of the foil weighing boat used in the HG53 weight instrument, and heating at a temperature setpoint of 125°C for 5 minutes.
  • HG53 Mettler Toledo Halogen Analyzer
  • the gel composition may comprise 1 wt.% or more of the thickener, 10 wt.% or more of the low boiling point non-aqueous liquid medium, and 20 wt.% or less of the active ingredient or mixture of active ingredients (e.g. one or more surfactants).
  • the gel composition may comprise 2 wt.% or more of the thickener, 20 wt.% to 95 wt.% of the low boiling point non-aqueous liquid medium, 5 to 80 wt.% water, and 20 wt.% or less of the active ingredient or mixture of active ingredients (e.g. one or more surfactants).
  • the active ingredient or mixture of active ingredients e.g. one or more surfactants.
  • the present invention provides a homecare product manufactured or manufacturable using a gel composition according to the first aspect.
  • the present invention provides a homecare product incorporating a solid gel obtained or obtainable using a gel composition according to the first aspect.
  • the solid gel is the result of forming the gel composition of the first aspect, and allowing the low melting point liquid to evaporate.
  • the solid gel may be a soft gel which, for example, breaks up easily when disturbed. It may be a firm gel which, for example, can retain its shape during handling but can be broken up by application of greater force. In between, the gel may be elastic, but retain its shape better than a soft gel.
  • the gel composition may be present in the form of a ball or tablet.
  • the gel composition may be a ball of a surface cleaning composition which can be spread onto a cloth.
  • the present invention provides a personal care product manufactured or manufacturable using a gel composition according to the first aspect.
  • the present invention provides a personal care product incorporating a solid gel obtained or obtainable using a gel composition according to the first aspect.
  • the gel may have any of the features described above in relation to the homecare product.
  • the gel composition may be present in the form of a ball or tablet.
  • the gel composition may be a tablet of cosmetic material which can be spread directly onto the skin.
  • the gel composition may be in the form of a unit dose, containing a pre-determined amount of said active ingredient.
  • the homecare or personal care product may provide the gel in the form of a unit dose provided on a substrate.
  • the product may comprise a gel composition film on a substrate.
  • the film may have a thickness of, for example, 0.25 mm or more, 0.5 mm or more, 0.75 mm or more, 1 mm or more, 1.5 mm or more, 2 mm or more, 3 mm or more, 4 mm or more, 5 mm or more, 7.5 mm or more, 10 mm or more, or 20 mm or more.
  • the amount of the low boiling point non- aqueous liquid medium present in the gel compositions of the second and third aspects will be lower than that for the first aspect, due to evaporation of the liquid medium during manufacture.
  • the amount of the low boiling point non-aqueous liquid medium may be, for example, 1 wt.% or less, 5 wt.% or less, 10 wt.% or less, 15 wt.% or less, 20 wt.% or less, 25 wt.% or less, 30 wt.% or less, 40 wt.% or less, or 50 wt.% or less, as a percentage of the weight of the gel composition as a whole.
  • the viscosity of the gel composition in the second and third aspects may be, for example, 5,000 cP or more; 10,000 cP or more; 15,000 cP or more; 20,000 cP or more; 30,000 cP or more; 40,000 cP or more; 50,000 cP or more; 75,000 cP or more; or 100,000 cP or more, as measured at 25°C using the instrument described above in relation to the first aspect.
  • the present invention provides use of a gel composition according to the first aspect in the manufacture of a homecare or personal care product.
  • the present invention provides a method of provides a method of forming a homecare or personal care product according to the third aspect, comprising forming a gel composition according to the first aspect and allowing the gel composition to dry.
  • Figure 1 is a plot showing the mass change over time of HPMC gel compositions according to the first aspect of the invention with different types and quantities of non-aqueous liquid medium.
  • Figure 2 is a plot showing the viscosity of HPMC gel compositions formed using IPA or ethylene glycol as the non-aqueous liquid medium, and incorporating different active ingredients.
  • the solidification rate was quantitatively assessed by monitoring the mass change of gels over time due to solvent evaporation. More specifically, 295 ⁇ 70 mg samples of gels having the compositions shown below were taken and allowed to dry for 5 minutes at a temperature of 125°C with the mass monitored using a halogen moisture analysis machine (Mettler Toledo Halogen Moisture Analyser HG53).
  • HPMC-based gel compositions according to the present invention are able to form stable gel compositions with a range of active ingredients, and dry to form stable gels over a relatively short period.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Dermatology (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Detergent Compositions (AREA)
  • Cosmetics (AREA)

Abstract

La présente invention concerne une composition de gel appropriée pour la fabrication d'un produit d'hygiène personnelle ou de soins personnels, la composition de gel comprenant un épaississant choisi parmi l'hydroxypropylméthylcellulose (HPMC) et de la gélatine; un milieu liquide non aqueux à bas point d'ébullition, choisi parmi un alcool, une cétone ou un éther; et un ingrédient actif d'hygiène personnelle ou de soins personnels. L'invention concerne également des produits de soins personnels et de soins à domicile comprenant la composition de gel.
PCT/EP2019/071257 2018-08-13 2019-08-07 Compositions de gel WO2020035376A1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
EP18188722 2018-08-13
EP18188723.3 2018-08-13
EP18188727.4 2018-08-13
EP18188719 2018-08-13
EP18188719.1 2018-08-13
EP18188722.5 2018-08-13
EP18188727 2018-08-13
EP18188723 2018-08-13

Publications (1)

Publication Number Publication Date
WO2020035376A1 true WO2020035376A1 (fr) 2020-02-20

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Family Applications (4)

Application Number Title Priority Date Filing Date
PCT/EP2019/071237 WO2020035369A1 (fr) 2018-08-13 2019-08-07 Articles de soins à domicile et de soins personnels à structure multicouche
PCT/EP2019/071258 WO2020035377A1 (fr) 2018-08-13 2019-08-07 Articles de soins personnels et de soins à domicile comprenant des ingrédients incompatibles
PCT/EP2019/071262 WO2020035379A1 (fr) 2018-08-13 2019-08-07 Articles de soins personnels et de soins à domicile pour des traitements en plusieurs étapes
PCT/EP2019/071257 WO2020035376A1 (fr) 2018-08-13 2019-08-07 Compositions de gel

Family Applications Before (3)

Application Number Title Priority Date Filing Date
PCT/EP2019/071237 WO2020035369A1 (fr) 2018-08-13 2019-08-07 Articles de soins à domicile et de soins personnels à structure multicouche
PCT/EP2019/071258 WO2020035377A1 (fr) 2018-08-13 2019-08-07 Articles de soins personnels et de soins à domicile comprenant des ingrédients incompatibles
PCT/EP2019/071262 WO2020035379A1 (fr) 2018-08-13 2019-08-07 Articles de soins personnels et de soins à domicile pour des traitements en plusieurs étapes

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