Drug – bio-affecting and body treating compositions – Live hair or scalp treating compositions – Polymer containing
Reexamination Certificate
2000-12-04
2002-11-05
Krass, Frederick (Department: 1614)
Drug, bio-affecting and body treating compositions
Live hair or scalp treating compositions
Polymer containing
C424S047000, C424S070100, C424S070110, C424S401000, C424SDIG001, C424SDIG002, C514S772100, C514S784000, C514S880000, C525S330300, C525S007100, C525S331700, C525S073000, C525S326900
Reexamination Certificate
active
06475475
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The subject matter of the present invention is a polymer combination, i.e. a combination of polymeric ingredients, and a hair treatment composition with a content of this polymeric combination. More particularly, the subject matter of the present invention is a hair treatment composition with a combination of at least one terpolymer selected from the group consisting of vinyl pyrrolidone, vinyl caprolactam and a basic acrylamide monomer as well as at least one polymer compound having an anionic or anionizable group.
2. Prior Art
In order to fix and hold human hair or to stabilize a hairstyle or hair-do hair treatment compositions in the form of fixing lotions, aerosol and non-aerosol sprays, fixing-foams, gels, etc, are used. The cosmetic hair-fixing polymers used for these purposes have good fixing properties in aqueous, alcoholic or aqueous-alcoholic media, which hold and fix the hair in its form more or less well and stabilize an established hairstyle. Frequency however the hair-do has a stiff and unnatural feel and the elasticity of the polymer film and the polymer-cross-linked hairstyle is insufficient.
Terpolymers of vinyl pyrrolidone, vinyl caprolactam and 3-(N-dimethyl-aminopropyl)methacrylamide are known from WO 96/19971. Their use in hair-fixing compositions, especially in aerosol and pump sprays, is also disclosed in WO 96/19971. These polymer compounds are especially suitable for use in an aqueous spray formulation with a reduced content of highly volatile organic ingredients (low VOC sprays). These polymer compounds have good fixing properties, but impart a comparatively rough and inelastic feel, as well as a comparatively high load, to the hair.
SUMMARY OF THE INVENTION
It is thus an object of the present invention to further improve the film-forming and hair-fixing properties of polymer-containing preparations and especially to increase the elasticity of polymer films and/or polymer-treated hair.
It has been found that this object is attained by a combination of two select polymer compounds or by a hair treatment composition containing this polymer combination.
The polymer combination according to the invention comprises
(A) at least one terpolymer of vinyl pyrrolidone, vinyl caprolactam and a basic acrylamide monomer, and
(B) at least one polymer with anionic or anionizable groups.
The subject matter of the invention also includes a hair treatment composition with a content of the above-named polymer combination in a suitable cosmetic base. The polymer combination according to the invention causes an increase, especially a synergistic increase, of the elasticity of the polymer film and/or the polymer treated hair.
The terpolymer (A) is present in the composition according to the invention, preferably, in an amount of 0.01 to 20, especially preferably of 0.05 to 10, and most preferably of 0.1 to 5, percent by weight and the anionic polymer (B) is present in an amount of from 0.01 to 20, especially preferably of 0.05 to 10, and most preferably from 0.1 to 5, percent by weight.
Suitable terpolymers (A) are those, in which the acrylamide monomer is selected from dialkylaminoalkylmethacrylamides with alkyl groups having from one to four carbon atoms and dialkylaminoalkylacrylamides with alkyl groups having from 1 to 4 carbon atoms. Dimethylaminopropylmethacrylamides are especially preferred. The production of this sort of polymer is described in WO 96/19971 and it is commercially obtainable under the trademark AQUAFLEX® SF 40 (ISP) (INCI-name: PVP/vinyl caprolactam/DMAPA acrylates copolymer).
Polymer compound (B) can be an anionic polymer compound but also an amphoteric polymer compound, which has basic groups in the polymer molecule as well as anionic or anionizable groups.
For example, the anionizable groups can include acid groups, such as carboxylic acid, sulfonic or phosphoric acid groups, which can be deprotonated by common bases, such as organic amines or alkali or alkaline earth hydroxides.
The polymer compounds for ingredient (B) can be partially or completely neutralized with a basic neutralization agent. Those compounds, in which the acid groups are neutralized from 50 to 100%, especially from 70 to 100%, are particularly preferred. Organic or inorganic bases are used as neutralizing agents. For example, aminoalkanols, such as aminomethylpropanol (AMP), triethanolamine or monoethanolamines, also ammonia, NaOH and KOH, can be used as the base.
The polymer (B) can be a homopolymer or copolymer with monomer units containing acid groups on a natural or synthetic basis, which, if necessary, is polymerized with a comonomer, which does not contain acid groups. The acid groups can include sulfonic acid groups, phosphoric acid groups and carboxylic acid groups, of which the carboxylic acid groups are especially preferred. Suitable monomers containing acid groups include, for example, acrylic acid, methacrylic acid, crotonic acid, maleic acid and/or maleic acid anhydride, maleic acid monoester, especially the mono-C1- to C7-alkyl ester of the maleic acid and alkdehydocarboxylic acids or ketocarboxylic acids.
Comonomers not substituted with acid groups are, for example, acrylamides, methacrylamides, alkyl- an dialkylacrylamides, alkyl- and dialkylmethacrylamides, alkylacrylates, alkylmethacrylates, vinylcaprolactones, vinyl pyrrolidones, vinyl esters, vinyl alcohols, propylene glycols or ethylene glycols, amine-substituted vinyl monomers, such as dialkylaminoalkylacrylates, dialkylaminoalkylmethacrylates, monoalkylaminoalkylacrylates and monoalkylaminoalkylmethacrylates, in which the alkyl groups of these monomers, preferably C1- to C7-alkyl groups, especially preferably C1- to C3-alkyl groups.
Suitable polymer compounds with acid groups include especially uncross-linked homopolymers of acrylic acid or methacrylic acid or homopolymers of acrylic or methacrylic acid that are cross-linked with polyfunctional agents; copolymers of acrylic acid or methacrylic acid with monomers selected from the group consisting of acrylic acid esters, methacrylic acid esters, acrylamides, methacrylamides and vinylpyrrolidones; homopolymers of crotonic acid as well as copolymers of crotonic acid with monomers selected from the group consisting of vinyl esters, acrylic acid or methacrylic acid esters, acryl amides and methacrylamides. Shellac is, for example, a suitable natural polymer.
Suitable polymer compounds with acid groups include cross-linked or uncross-linked vinyl acetate/crotonic acid copolymers (INCI-name: VA/crotonate copolymers), vinyl acetate/crotonic acid/vinyl alkanoate copolymers (INCI-name: VA/crotonates/vinyl porpionate copolymer, VA/crotonates/vinyl neodecanoate copolymer), copolymers of one or more C1- to C5-alkylacrylates, especially C2- C4-alkylacrylates and acrylic acid or methacrylic acid (INCI-name: acrylate copolymers). Terpolymers of acrylic acid, alkylacrylates and N-alkylacrylamides, especially acrylic acid/ethylacrylates/N-t-butylacrylamides terpolymers (INCI-name: acrylates/acrylamide copolymers), copolymers of methyl vinyl ether and maleic acid monoalkyl esters (INCI-name: ethyl ester of PVM/MA copolymers, butyl esters of PVM/MA copolymer).
Additional preferred polymers with acid groups include amphoteric polymers, for example copolymer of alkylacrylamides, especially octylacrylamides, alkylaminoalkylmethacrylates, especially t-butylaminoethylmethacrylates and two or more monomers selected from the group consisting of acrylic acid, methacrylic acid or their esters (INCI-name: octylacrylamide/acrylates/butylaminoethyl methacrylate copolymers ). Additional suitable amphoteric polymers include copolymers, which are formed from at least one first type of monomer, which has a quaternary amine group, and at least one second type of monomer, which has an acid group. For example, this sort of copolymer includes copolymers of acrylic acid, methylacrylate and methacrylamidopropyltrimethylammonium chloride (INCI-name: polyquaternium-47), copolymers of acrylamidopropyltrimethyl ammonium chloride and acrylates or
Birkel Susanne
Lede Michael
Krass Frederick
Ostrop Clinton
Striker Michael J.
Wella Aktiengesellschaft
LandOfFree
Polymer ingredient combinations for hair treatment compositions does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Polymer ingredient combinations for hair treatment compositions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polymer ingredient combinations for hair treatment compositions will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2944950