# US 2023/0056796 A1 · Composition comprising a cationic cellulose-based polymer, a sulfonic anionic polymer and a fixing polymer

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- Number: US 2023/0056796 A1
- Document ID: US20230056796A1
- Status: Published application
- Kind: A1
- Application number: 17/787,092
- Filed: 2020-12-18
- Published: 2023-02-23
- Earliest claimed: 2019-12-20
- Assignees: L'oreal
- Applicants: L'oreal
- Inventors: Guillaume RONCHARD; Virginie SOULIE
- Web page: https://patentgrep.com/patent/US20230056796A1

## CPC

- A61K 8/731: {Cellulose; Quaternized cellulose derivatives}
- A61Q 5/06: Preparations for styling the hair, e.g. by temporary shaping or colouring
- A61K 8/416: {Quaternary ammonium compounds (A61K8/35 takes precedence)}
- A61K 8/8158: {Homopolymers or copolymers of amides or imides, e.g. (meth) acrylamide; Compositions of derivatives of such polymers}
- A61K 8/8182: {Copolymers of vinyl-pyrrolidones. Compositions of derivatives of such polymers}
- A61K 8/8188: {Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bonds, and at least one being terminated by a bond to sulfur or by a hertocyclic ring containing sulfur; Compositions of derivatives of such polymers}
- A61Q 5/02: Preparations for cleaning the hair
- A61K 2800/5422: nonionic
- A61K 2800/5424: anionic
- A61K 2800/5426: cationic
- A61K 2800/594: Mixtures of polymers
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS

## Abstract

The present invention relates to a composition, which is preferably aqueous, comprising at least one cationic cellulose-based polymer, at least one sulfonic anionic polymer and at least one fixing polymer. The present invention also relates to a cosmetic treatment process, in particular a process for styling keratin fibers, in particular human keratin fibers such as the hair, using this composition. Finally, the present invention relates to the use of this composition for the cosmetic treatment of keratin fibers, in particular human keratin fibers such as the hair, and in particular for hair styling, i.e. shaping and/or fixing the head of hair.

## Claims

### Claim at position 1

1-15. (canceled)

### Claim 16

A composition comprising:
a) one or more cationic cellulose-based polymers,
b) one or more sulfonic anionic polymers chosen from:
homopolymers of acrylamidoalkylsulfonic acid or salts thereof,
sulfonic polyesters or salts thereof, or
amphiphilic polymers of at least one acrylamido-2-methylpropanesulfonic acid monomer and of at least one ethylenically unsaturated hydrophobic comonomer comprising at least one hydrophobic part containing from 7 to 30 carbon atoms, and
c) one or more fixing polymers other than the polymers (a) and the polymers (b).

### Claim 17 (depends on 16)

The composition of claim 16, wherein one or more of the cationic cellulose-based polymers are chosen from cellulose ethers comprising quaternary ammonium groups, cationic cellulose copolymers, or celluloses grafted with a water-soluble quaternary ammonium monomer.

### Claim 18 (depends on 16)

The composition of claim 16, wherein one or more of the cationic cellulose-based polymers are chosen from polyquaternium-10, polyquaternium-67, or a mixture thereof.

### Claim 19 (depends on 16)

The composition of claim 16, wherein one or more of the cationic cellulose-based polymers are chosen from associative cationic cellulose-based polymers.

### Claim 20 (depends on 16)

The composition of claim 16, wherein the total amount of cationic cellulose-based polymers ranges from 0.1% to 10% by weight, relative to the total weight of the composition.

### Claim 21 (depends on 16)

The composition of claim 16, wherein one or more of the sulfonic anionic polymers are chosen from crosslinked 2-acrylamido-2-methylpropanesulfonic acid homopolymers, crosslinked copolymers of acrylamido-2-methylpropanesulfonic acid, non-crosslinked 2-acrylamido-2-methylpropanesulfonic acid homopolymers, non-crosslinked copolymers of acrylamido-2-methylpropanesulfonic acid, C12-C22 alkyl (meth)acrylate comprising from 6 to 30 moles of ethylene oxide, salts thereof, or mixtures thereof.

### Claim 22 (depends on 16)

The composition of claim 16, wherein the total amount of sulfonic anionic polymers ranges from 0.05% to 15% by weight, relative to the total weight of the composition.

### Claim 23 (depends on 16)

The composition of claim 16, wherein one or more of the fixing polymers are chosen from anionic fixing polymers, cationic fixing polymers, amphoteric fixing polymers, nonionic fixing polymers, or mixtures thereof.

### Claim 24 (depends on 16)

The composition of claim 16, wherein one or more of the fixing polymers are chosen from nonionic fixing polymers, vinyl acetate homopolymers, vinyl acetate copolymers, acrylic ester homopolymers, acrylic ester copolymers, copolymers of acrylonitrile and of a nonionic monomer, styrene homopolymers, styrene copolymers, polyamides, vinyllactam homopolymers, vinyllactam copolymers, or mixtures thereof.

### Claim 25 (depends on 16)

The composition of claim 16, wherein the total amount of fixing polymers ranges from 0.1% to 20% by weight, relative to the total weight of the composition.

### Claim 26 (depends on 16)

The composition of claim 16, wherein a weight ratio of a total amount by weight of cationic cellulose-based polymers and a total amount by weight of sulfonic anionic polymers present in the composition ranges from 0.1 to 10.

### Claim 27 (depends on 16)

The composition of claim 16, wherein the composition is aqueous.

### Claim 28 (depends on 16)

The composition of claim 16, further comprising water in an amount ranging from 30% to 98% by weight, relative to the total weight of the composition.

### Claim 29

A process of treating keratin fibers comprising applying to the keratin fibers a composition comprising:
a) one or more cationic cellulose-based polymers,
b) one or more sulfonic anionic polymers chosen from:
homopolymers of acrylamidoalkylsulfonic acid or salts thereof,
sulfonic polyesters or salts thereof, or
amphiphilic polymers of at least one acrylamido-2-methylpropanesulfonic acid monomer and of at least one ethylenically unsaturated hydrophobic comonomer comprising at least one hydrophobic part containing from 7 to 30 carbon atoms, and
c) one or more fixing polymers other than the polymers (a) and the polymers (b).

### Claim 30

A method for styling keratin fibers comprising applying to the keratin fibers a composition comprising:
a) one or more cationic cellulose-based polymers,
b) one or more sulfonic anionic polymers chosen from:
homopolymers of acrylamidoalkylsulfonic acid or salts thereof,
sulfonic polyesters or salts thereof, or
amphiphilic polymers of at least one acrylamido-2-methylpropanesulfonic acid monomer and of at least one ethylenically unsaturated hydrophobic comonomer comprising at least one hydrophobic part containing from 7 to 30 carbon atoms, and
c) one or more fixing polymers other than the polymers (a) and the polymers (b).

### Claim 31 (depends on 30)

The method of claim 30, wherein one or more of the cationic cellulose-based polymers are chosen from cellulose ethers comprising quaternary ammonium groups, cationic cellulose copolymers, or celluloses grafted with a water-soluble quaternary ammonium monomer.

### Claim 32 (depends on 30)

The method of claim 30, wherein the total amount of cationic cellulose-based polymers ranges from 0.1% to 10% by weight, relative to the total weight of the composition.

### Claim 33 (depends on 30)

The method of claim 30, wherein the total amount of sulfonic anionic polymers ranges from 0.05% to 15% by weight, relative to the total weight of the composition.

### Claim 34 (depends on 30)

The method of claim 30, wherein one or more of the fixing polymers are chosen from nonionic fixing polymers, vinyl acetate homopolymers, vinyl acetate copolymers, acrylic ester homopolymers, acrylic ester copolymers, copolymers of acrylonitrile and of a nonionic monomer, styrene homopolymers, styrene copolymers, polyamides, vinyllactam homopolymers, vinyllactam copolymers, or mixtures thereof.

### Claim 35 (depends on 30)

The method of claim 30, wherein the total amount of fixing polymers ranges from 0.1% to 20% by weight, relative to the total weight of the composition.
