Composition in the form of an aerosol foam, based on a cationic polymer and an anionic polymer
AssigneeL'oreal
InventorsJean F. Grollier, Annie Madrange, Michele Chailley
Life of this patent
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Abstract
The invention provides a pressurized composition based on cationic and anionic polymers and containing at least one cationic polymer and/or one anionic polymer which foams in aqueous solution, in an aqueous solvent medium such that, in the atmosphere, the composition forms an unstable foam on contact with the hair.
Claims39
A cosmetic foamable composition which is suitable for application to the hair and which forms an unstable foam on contact with the hair when expelled from an aerosol container by means of a propellant, said composition comprising a cationic polymer in an amount from about 0.01% to about 5% by weight of the composition, said cationic polymer containing one or more primary, secondary, tertiary or quaternary amine groups or a mixture thereof and having a molecular weight of 500 to 5,000,000;
- an anionic polymer in an amount from about 0.01% to 5% by weight of the composition, said anionic polymer containing a plurality of sulphonic, carboxylic or phosphoric acid groups and having a molecular weight of 500 to 5,000,000;
- and an aqueous solvent medium;
- at least one of said cationic and anionic polymers (i) when in solution in water produces, according to the Ross Miles test carried out at 20 degrees C., a foam height of more than 1 cm, and (ii) when in solution in water and after pressurization of the solution produces a foam having a density of less than 0.25 g/cm.sup.3 ;
- said cationic and anionic polymers being polymers which together foam in an aqueous solvent medium in the absence of a surface active agent possessing foaming properties to produce a foam having a density of less than 0.25 g/cm.sup.3 and disappearing in less than 1 minute after application to the hair and massaging;
- and said unstable foam produced by said composition having a density of less than 0.25 g/cm.sup.3 and disappearing very rapidly after application to the hair and massaging.
In a cosmetic composition suitable for application to the hair in a form to be expelled from an aerosol container by means of a propellant containing a cationic polymer having one or more primary, secondary, tertiary, or quaternary amine groups or mixtures thereof and having a molecular weight of 500 to 5,000,000, an anionic polymer containing a plurality of sulphonic, carboxylic, or phosphoric acid groups and having a molecular weight of 500 to 5,000,000, and an aqueous solvent medium, wherein the improvement comprises a composition which produces an unstable foam on contact with the hair when expelled from said aerosol container by means of said propellant wherein:
- (a) at least one of said cationic and anionic polymers (i) when in solution in water produces, according to the Ross Miles test conducted at 20 degrees C., a foam height of more than 1 cm, and (ii) when in solution in water and after pressurization of the solution produces a foam having a density of less than 0.25 g/cm.sup.3 ;
- (b) said aqueous solvent medium being water, or a mixture of water and an amount of monoalcohol which is less than 30% by weight of the composition, or a mixture of water and polyalcohol, glycol ether, glycol ester or a fatty acid ester of a lower alcohol;
- (c) said cationic and anionic polymers being polymers which together foam in an aqueous solvent medium in the absence of a surface active agent possessing foaming properties to produce a foam having a density of less than 0.25 g/cm.sup.3 and disappearing in less than 1 minute after application to the hair and massaging;
- and
- (d) the foam produced by said foamable composition is unstable, has a density of less than 0.25 g/cm.sup.3 and disappears very rapidly after application to the hair and massaging.
A cosmetic foamable composition which is suitable for application to the hair and which forms an unstable foam on contact with the hair when expelled from an aerosol container by means of a propellant, said composition comprising:
- a cationic polymer in an amount from about 0.01% to about 5% by weight of the composition, said cationic polymer containing one or more primary, secondary, tertiary or quaternary amine groups or a mixture thereof and having a molecular weight of 500 to 5,000,000;
- an anionic polymer in an amount from about 0.01% to 5% by weight of the composition, said anionic polymer containing a plurality of sulphonic, carboxylic or phosphoric acid groups and having a molecular weight of 500 to 5,000,000;
- and an aqueous solvent medium;
- said aqueous solvent medium being water, or a mixture of water and a monoalcohol in which the monoalcohol is less than 30% by weight of the composition, or a mixture of water and glycol ether, glycol ester or fatty acid ester of a lower alcohol in which the ether or ester is less than 15% by weight of the composition;
- at least one of said cationic and anionic polymers (i) when in solution in water produces, according to the Ross Miles test carried out at 20 degrees C., a foam height of more than 1 cm, and (ii) when in solution in water and after pressurization of the solution produces a foam having a density of less than 0.25 g/cm.sup.3 ;
- said cationic and anionic polymers being polymers which together foam in an aqueous solvent medium in the absence of a surface active agent possessing foaming properties to produce a foam having a density of less than 0.25 g/cm.sup.3 and disappearing in less than 1 minute after application to the hair and massaging;
- said unstable foam produced by said composition having a density of less than 0.25 g/cm.sup.3 and disappearing very rapidly after application to the hair and massaging.
A cosmetic composition under pressure which forms when expelled an unstable foam on contact with hair which comprises a cationic polymer selected from the group consisting of a cationic silicone polymer and a quaternary cellulose derivative and an anionic polymer, such that at least one said polymer foams in an aqueous solvent medium, in an aqueous solvent medium which is water, or a mixture of water and an amount of a monoalcohol which is less than 30% by weight of the composition, or a mixture of water and polyalcohol, glycol ether, glycol ester or fatty acid ester of a lower alcohol, such that when released to the atmosphere the composition forms an unstable foam on contact with the hair, wherein said cationic polymer has a molecular weight of 500 to 5,000,000;
- wherein said anionic polymer is one containing a plurality of sulphonic, carboxylic or phosphoric acid groups and has a molecular weight of 500 to 5,000,000;
- and wherein the polymer which foams is one which, at a concentration of 0.5% by weight in an aqueous solution, gives a foam height of more than 1 cm, according to the Ross Miles test modified as regards to the temperature and carried out at 20 degrees C., and which when released under pressure to the atmosphere, gives a foam having a density not exceeding 0.25 g/cm.sup.3.
A cosmetic composition under pressure which forms when expelled an unstable foam on contact with hair which comprises a polymer containing one or more cationic groups and an anionic polymer selected from the group consisting of a copolymer of vinylacetate/crotonic acid/vinyl ester of an .alpha. or .beta.-cyclic carboxylic acid or a copolymer of methacrylic acid and methacrylic acid ester, such that at least one said polymer foams in an aqueous solution which is water, or a mixture of water and a monoalcohol which is less than 30% by weight of the composition, or a mixture of water and polyalcohol, glycol ether, glycol ester or fatty acid ester of a lower alcohol, such that when released to the atmosphere the composition forms an unstable foam on contact with the hair, wherein said polymer containing one or more cationic groups is a cationic polymer containing a primary, secondary, tertiary or quaternary amine group or a mixture thereof and having a molecular weight of 500 to 5,000,000;
- wherein said anionic polymer has a molecular weight of 500 to 5,000,000;
- and wherein the polymer which foams is one which, at a concentration of 0.5% by weight in an aqueous solution, gives a foam height of more than 1 cm, according to the Ross Miles test modified as regards the temperature and carried out at 20 degrees C., and which, when released under pressure to the atmosphere, gives a foam having a density not exceeding 0.25 g/cm.sup.3.
In a cosmetic composition suitable for application to the hair in a form to be expelled from an aerosol container by means of a propellant containing a cationic polymer having one or more primary, secondary, tertiary, or quaternary amine groups or mixtures thereof and having a molecular weight of 500 to 5,000,000, an amphoteric polymer which consists of units A and B randomly distributed in the polymer chain, in which A denotes a unit derived from a monomer containing at least one basic nitrogen atom and B denotes a unit derived from an acid monomer containing one or more carboxylic or sulphonic acid groups, or alternatively A and B can denote groups derived from zwitterionic monomers of carboxybetaine, or A and B can denote a cationic polymer chain containing secondary, tertiary or quaternary amine groups, in which at least one of the amine groups carries a carboxylic or sulphonic acid group joined via a hydrocarbon radical, or alternatively A and B form part of a chain of a polymer containing an alpha, beta-dicarboxyethylene unit in which one of the carboxylic acid groups has been reacted with a polyamine containing one or more primary or secondary amine groups, and an aqueous solvent medium, wherein the improvement comprises a composition which forms when expelled from said aerosol container by means of said propellant an unstable foam on contact with the hair wherein:
- (a) said cationic polymer (i) when in solution in water produces, according to the Ross Miles test conducted at 20 degrees C., a foam height of more than 1 cm, and (ii) when in solution in water and after pressurization of the solution produces a foam having density of less than 0.25 g/cm.sup.3 ;
- (b) said aqueous solvent medium being water, or a mixture of water and an amount of monoalcohol which is less than 30% by weight of the composition, or a mixture of water and polyalcohol, glycol ether, glycol ester or a fatty acid ester of a lower alcohol;
- (c) said cationic and amphoteric polymers being polymers which together foam in an aqueous solvent medium in the absence of a surface active agent possessing foaming properties to produce a foam having a density of less than 0.25 g/cm.sup.3 and disappearing in less than 1 minute after application to the hair and massaging;
- and
- (d) the foam produced by said foamable composition is unstable, has a density of less than 0.25 g/cm.sup.3 and disappears very rapidly after application to the hair and massaging.
In a cosmetic composition suitable for application to the hair in a form to be expelled from an aerosol container by means of a propellant containing an anionic polymer containing a plurality of sulphonic, carboxylic, or phosphoric acid groups and having a molecular weight of 500 to 5,000,000, an amphoteric polymer which consists of units A and B randomly distributed in the polymer chain, in which A denotes a unit derived from a monomer containing at least one basic nitrogen atom and B denotes a unit derived from an acid monomer containing one or more carboxylic or sulphonic acid groups, or alternatively A and B can denote groups derived from zwitterionic monomers of carboxybetaine, or A and B can denote a cationic polymer chain containing secondary, tertiary or quaternary amine groups, in which at least one of the amine groups carries a carboxylic or sulphonic acid group joined via a hydrocarbon radical, or alternatively A and B form part of a chain of a polymer containing an alpha, beta-dicarboxyethylene unit in which one of the carboxylic acid groups has been reacted with a polyamine containing one or more primary or secondary amine groups, and an aqueous solvent medium, wherein the improvement comprises a composition which forms when expelled from said aerosol container by means of said propellant an unstable foam on contact with the hair wherein:
- (a) said anionic polymer (i) when in solution in water produces, according to the Ross Miles test conducted at 20 degrees C., a foam height of more than 1 cm, and (ii) when in solution in water and after pressurization of the solution produces a foam having density of less than 0.25 g/cm.sup.3 ;
- (b) said aqueous solvent medium being water, or a mixture of water and an amount of monoalcohol which is less than 30% by weight of the composition, or a mixture of water and polyalcohol, glycol ether, glycol ester or a fatty acid ester of a lower alcohol;
- (c) said amphoteric and anionic polymers being polymers which together foam in an aqueous solvent medium in the absence of a surface active agent possessing foaming properties to produce a foam having a density of less than 0.25 g/cm.sup.3 and disappearing in less than 1 minute after application to the hair and massaging;
- and
- (d) the foam produced by said foamable composition is unstable, has a density of less than 0.25 g/cm.sup.3 and disappears very rapidly after application to the hair and massaging.
In a cosmetic composition suitable for application to the hair in a form to be expelled from an aerosol container by means of a propellant containing a cationic polymer, an anionic polymer containing a plurality of sulphonic, carboxylic, or phosphoric acid groups and having a molecular weight of 500 to 5,000,000 and an aqueous solvent medium, wherein the improvement comprises a composition which forms when expelled from said aerosol container by means of said propellant an unstable foam on contact with the hair wherein:
- (a) said at least one cationic polymer is a quaternary cellulose polymer (i) when in solution in water produces, according to the Ross Miles test conducted at 20 degrees C., a foam height of more than 1 cm, and (ii) when in solution in water and after pressurization of the solution, produces a foam having a density of less than 0.25 g/cm.sup.3 ;
- (b) said aqueous solvent medium being water, or a mixture of water and an amount of monoalcohol which is less than 30% by weight of the composition, or a mixture of water and polyalcohol, glycol ether, glycol ester or a fatty acid ester of a lower alcohol;
- (c) said cationic and anionic polymers being polymers which together foam in an aqueous solvent medium in the absence of a surface active agent possessing foaming properties to produce a foam having a density of less than 0.25 g/cm.sup.3 and disappearing in less than 1 minute after application to the hair and massaging;
- and
- (d) the foam produced by said foamable composition is unstable, has a density of less than 0.25 g/cm.sup.3 and disappears very rapidly after application to the hair and massaging.
A cosmetic foamable composition which is suitable for application to the hair and which forms an unstable foam on contact with the hair when expelled from an aerosol container by means of a propellant, said composition comprising a cationic polymer in an amount from about 0.01% to about 5% by weight of the composition, said cationic polymer containing one or more primary, secondary, tertiary or quaternary amine groups or a mixture thereof and having a molecular weight of 500 to 5,000,000;
- an anionic polymer in an amount from about 0.01% to 5% by weight of the composition, and an aqueous solvent medium;
- at least one of said cationic polymers being a quaternary cellulose polymer which in solution in water produces, according to the Ross Miles test carried out at 20 degrees C., a foam height of more than 1 cm;
- said cationic polymer producing in solution in water and after pressurization of the solution a foam having a density of less than 0.25 g/cm.sup.3 ;
- said at least one anionic polymer being an ester of a maleic acid/vinylether copolymer;
- said cationic and anionic polymers being polymers which together foam in an aqueous solvent medium in the absence of a surface active agent possessing foaming properties to produce a foam having a density of less than 0.25 g/cm.sup.3 and disappearing in less than 1 minute after application to the hair and massaging;
- and said unstable foam produced by said composition having a density of less than 0.25 g/cm.sup.3 and disappearing very rapidly after application to the hair and massaging.
A hair styling composition which is suitable for application to the hair and which forms an unstable foam on contact with the hair when expelled from an aerosol container by means of a propellant, said composition comprising a cationic polymer in an amount from about 0.01% to about 5% by weight of the composition, said cationic polymer containing one or more primary, secondary, tertiary or quaternary amine groups or a mixture thereof and having a molecular weight of 500 to 5,000,000;
- an anionic polymer in an amount from about 0.01% to 5% by weight of the composition, said anionic polymer containing a plurality of sulphonic, carboxylic or phosphoric acid groups and having a molecular weight of 500 to 5,000,000;
- and an aqueous solvent medium;
- at least one of said cationic and anionic polymers (i) when in solution in water produce, according to the Ross Miles test carried out at 20 degrees C., a foam height of more than 1 cm, and (ii) when in solution in water and after pressurization of the solution produces a foam having a density of less than 0.25 g/cm.sup.3 ;
- said cationic and anionic polymers being polymers which together foam in a solvent medium in the absence of a surface active agent possessing foaming properties to produce a foam having a density of less than 0.25 g/cm.sup.3 and disappearing in less than 1 minute after application to the hair and massaging;
- and said unstable foam produced by said composition having a density of less than 0.25 g/cm.sup.3 and disappearing very rapidly after application to the hair and massaging.
Dependencies are inferred from the claim text.