Method for dyeing keratin material, comprising the use of an organic C1-C6 alkoxy silane and a copolymer of styrene and maleic acid (anhydride)

Patent metadata

Field	Value
Publication number	US-11890366-B2
Application number	US-202017785885-A
Country	US
Kind code	B2
Filing date	Oct 16, 2020
Priority date	Dec 16, 2019
Publication date	Feb 6, 2024
Grant date	Feb 6, 2024

Abstract

A method for coloring keratinous material, in particular human hair, includes the step of applying on the keratinous material:a first composition (A) comprising:(A1) one or more organic C1-C6 alkoxysilanes and/or condensation products thereof, and(A2) at least one colorant compound selected from the group comprising pigments and direct dyes, anda second composition (B) comprising(B1) a copolymer of styrene and maleic acid (anhydride).

First claim

What is claimed is:

1. A method of dyeing keratinous material in which is applied to the keratinous material:
a first composition (A) comprising:
(A1) one or more organic C 1 -C 6 alkoxysilanes and/or condensation products thereof, and
(A2) at least one colorant compound chosen from pigments and direct dyes, and
a second composition (B) comprising:
(B1) a copolymer of styrene and maleic acid (anhydride).

2. A method according to claim 1 , wherein the first composition (A) comprises one or more organic C 1 -C 6 alkoxysilanes (A1) of a formula (S-I) and/or (S-II),
R 1 R 2 N-L-Si(OR 3 ) a (R 4 ) b   (S-I)

where
R 1 , R 2 independently represent a hydrogen atom or a C 1 -C 6 alkyl group,
L is a linear or branched, divalent C 1 -C 20 alkylene group,
R 3 , R 4 independently are a C 1 -C 6 alkyl group,
a represents an integer from 1 to 3,
b is the integer 3-a, and
(R 5 O) c (R 6 ) d Si-(A) e -[NR 7 -(A′)] f -[O-(A″)] g -[NR 8 -(A′″)] h -Si(R 6 ′) d′ (OR 5 ′) c′   (S-II),

where
R 5 , R 5 ′, R 5 ″, R 6 , R 6 ′ and R 6 ″ independently represent a C 1 -C 6 alkyl group,
A, A′, A″, and A′″ independently represent a linear or branched divalent C 1 -C 20 alkylene group,
R 7 and R 8 independently represent a hydrogen atom, a C 1 -C 6 alkyl group, a hydroxy C 1 -C 6 alkyl group, a C 2 -C 6 alkenyl group, an amino C 1 -C 6 alkyl group or a group of a formula (S-III),
-(A″″)-Si(R 6 ′) d″ (OR 5 ″) c ″  (S-III), wherein

c stands for an integer from 1 to 3,
d stands for the integer 3-c,
c′ stands for an integer from 1 to 3,
d′ stands for the integer 3-c′,
c″ stands for an integer from 1 to 3,
d″ stands for the integer 3-c″,
e stands for 0 or 1,
f stands for 0 or 1,
g stands for 0 or 1,
h stands for 0 or 1, and

wherein A″″ represents a linear or branched divalent C 1 -C 20 alkylene group,
with the proviso that at least one of the radicals from e, f, g and h is different from 0, and/or their condensation products.

3. A method according to claim 1 , wherein the first composition (A) comprises at least one organic C 1 -C 6 alkoxysilane (A1) chosen from
(3-Aminopropyl)triethoxysilane;
(3-Aminopropyl)trimethoxysilane;
(2-Aminoethyl)triethoxysilane;
(2-Aminoethyl)trimethoxysilane;
(3-Dimethylaminopropyl)triethoxysilane;
(3-Dimethylaminopropyl)trimethoxysilane;
(2-dimethylaminoethyl)triethoxysilane;
(2-Dimethylaminoethyl)trimethoxysilane;

and/or their condensation products.

4. A method according to claim 1 , wherein the first composition (A) comprises one or more organic C 1 -C 6 alkoxysilanes (A1) of a formula (S-IV),
R 9 Si(OR 10 ) k (R 11 ) m   (S-IV),

where
R 9 represents a C 1 -C 12 alkyl group,
R 10 stands for a C 1 -C 6 alkyl group,
R 11 stands for a C 1 -C 6 alkyl group
k is an integer from 1 to 3, and
m stands for the integer 3-k,
and/or their condensation products.

5. A method according claim 1 , wherein the first composition (A) comprises at least one organic C 1 -C 6 alkoxysilane (A1) chosen from
Methyltrimethoxysilane;
Methyltriethoxysilane;
Ethyltrimethoxysilane;
Ethyltriethoxysilane;
Propyltrimethoxysilane;
Propyltriethoxysilane;
Hexyltrimethoxysilane;
Hexyltriethoxysilane;
Octyltrimethoxysilane;
Octyltriethoxysilane;
Dodecyltrimethoxysilane;
Dodecyltriethoxysilane;
Octadecyltrimethoxysilane;
Octadecyltriethoxysilane;
their mixtures;
and/or their condensation products.

6. A method according to claim 1 , wherein the first composition (A) comprises at least one inorganic pigment (A2) chosen from colored metal oxides, metal hydroxides, metal oxide hydrates, silicates, metal sulfides, complex metal cyanides, metal sulfates, bronze pigments, colored mica- or mica-based pigments coated with at least one metal oxide, colored mica- or mica-based pigments coated with a metal oxychloride, and combinations thereof.

7. A method according to claim 1 , wherein the first composition (A) comprises at least one pigment (A2) chosen from pigments based on a lamellar substrate platelet, pigments based on a lenticular substrate platelet, pigments based on a substrate platelet comprising a vacuum-metallized pigment and pigments based on a substrate platelet comprising artificial mica.

8. A method according to claim 1 , wherein the second composition (B) further comprises at least one pigment chosen from pigments based on a lamellar substrate platelet, pigments based on a lenticular substrate platelet, pigments based on a substrate platelet comprising a vacuum metallized pigment, and pigments based on a substrate platelet comprising artificial mica.

9. A method according to claim 1 , wherein the second composition (B) further comprises at least one film-forming polymer.

10. A method according to claim 1 , wherein the first composition (A) comprises at least one first pigment (A2) chosen from colored metal oxides, metal hydroxides, metal oxide hydrates, silicates, metal sulfides, complex metal cyanides, metal sulfates, bronze pigments, mica or mica-based colored pigments coated with at least one metal oxide, mica or mica-based colored pigments coasted with a metal oxychloride, and combinations thereof, and at least one second pigment (A2) chosen from pigments based on a lamellar substrate platelet, pigments based on a lenticular substrate platelet, pigments based on a substrate platelet comprising a vacuum-metallized pigments, pigments based on a substrate platelet comprising artificial mica, and combinations thereof.

11. A multi-component packaging unit (kit-of-parts) for dyeing keratinous material, comprising a separately assembled
first container having a first composition (A) comprising (A1) one or more organic C 1 -C 6 alkoxysilanes and/or condensation products thereof, and
(A2) at least one colorant compound chosen from pigments and direct dyes, and

second container having a second composition (B) comprising (B1) a copolymer of styrene and maleic acid (anhydride).

12. A multi-component packaging unit (kit-of-parts) for dyeing keratinous material, comprising a separately assembled
first container having a first composition (A′) comprising one or more organic C 1 -C 6 alkoxysilanes and/or condensation products thereof,
second container with a second composition (A″) comprising at least one colorant compound chosen from pigments and direct dyes, and
third container having a third composition (B) comprising a copolymer of styrene and maleic acid (anhydride).

13. A method according to claim 2 , wherein the first composition (A) comprises at least one organic C 1 -C 6 alkoxysilane (A1) of the formula (S-I) chosen from
(3-Aminopropyl)triethoxysilane;
(3-Aminopropyl)trimethoxysilane;
(2-Aminoethyl)triethoxysilane;
(2-Aminoethyl)trimethoxysilane;
(3-Dimethylaminopropyl)triethoxysilane;
(3-Dimethylaminopropyl)trimethoxysilane;
(2-dimethylaminoethyl)triethoxysilane;
(2-Dimethylaminoethyl)trimethoxysilane;

and/or their condensation products.

14. A method according to claim 2 , wherein the first composition (A) comprises one or more organic C 1 -C 6 alkoxysilanes (A1) of a formula (S-IV),
R 9 Si(OR 10 ) k (R 11 ) m   (S-IV),

where
R 9 represents a C 1 -C 12 alkyl group,
R 10 stands for a C 1 -C 6 alkyl group,
R 11 stands for a C 1 -C 6 alkyl group
k is an integer from 1 to 3, and
m stands for the integer 3-k,
and/or their condensation products.

15. A method according to claim 3 , wherein the first composition (A) comprises one or more organic C 1 -C 6 alkoxysilanes (A1) of a formula (S-IV),
R 9 Si(OR 10 ) k (R 11 ) m   (S-IV),

where
R 9 r

Assignees

• Henkel Ag & Co Kgaa

Inventors

• Jaiser Phillip
• Kriener Caroline
• Mathiaszyk Carsten
• Lechner Torsten
• Weser Gabriele
• Erkens Udo
• Schoepgens Juergen
• Schumacher Ulrike
• Kolonko Claudia
• Nowottny Marc

Classifications

• A61K8/585 Primary

  Organosilicon compounds · CPC title

• A61K8/8147

  Homopolymers or copolymers of acids; Metal or ammonium salts thereof, e.g. crotonic acid, (meth)acrylic acid; Compositions of derivatives of such polymers · CPC title

• A61Q5/10

  Preparations for permanently dyeing the hair · CPC title

• A61K2800/432

  Direct dyes · CPC title

• A61Q5/065 Primary

  Preparations for temporary colouring the hair, e.g. direct dyes · CPC title