Pigment suspension and cosmetic agent prepared using the pigment suspension

Patent metadata

Field	Value
Publication number	US-2023320946-A1
Application number	US-202118005791-A
Country	US
Kind code	A1
Filing date	May 27, 2021
Priority date	Jul 17, 2020
Publication date	Oct 12, 2023
Grant date	—

Abstract

The application describes a pigment suspension comprising a) at least one colorant compound selected from the group of pigments and b) at least one phosphoric acid ester. The application also discloses a cosmetic agent obtainable by combining the pigment suspension with one or more organic C 1 -C 6 alkoxysilanes and/or condensation products thereof.

First claim

1 . A pigment suspension comprising
a) a coloring compound selected from the group consisting of pigments and b) a phosphoric ester.

2 . The pigment suspension according to claim 1 , wherein the pigment comprises a substrate platelet, wherein the substrate platelet comprises a metal, a metal alloy, natural mica, or synthetic mica.

3 . The pigment suspension according to claim 2 , wherein the pigment comprises a substrate platelet of a metal, wherein the metal is selected from the group of aluminum, copper, silver, gold, and combinations thereof.

4 . The pigment suspension according to claim 2 , wherein the pigment comprises a substrate platelet of a metal alloy, wherein the metal alloy comprises brass.

5 . The pigment suspension according to claim 2 , wherein the pigment comprises a substrate platelet of synthetic mica (INCI: Synthetic Fluorophlogopite).

6 . The pigment suspension according to claim 1 , wherein the pigment comprises at least one organic pigment selected from the group of carmine, quinacridone, phthalocyanine, Sorgho, blue pigments with the color index numbers Cl 42090, CI 69800, CI 69825, CI 73000, CI 74100, CI 74160, yellow pigments with the color index numbers CI 11680, CI 11710, CI 15985, CI 19140, CI 20040, CI 21100, CI 21108, CI 47000, CI 47005, green pigments with the color index numbers CI 61565, CI 61570, CI 74260, orange pigments with the color index numbers CI 11725, CI 15510, CI 45370, CI 71105, red pigments with the color index numbers CI 12085, CI 12120, CI 12370, CI 12420, CI 12490, CI 14700, CI 15525, CI 15580, CI 15620, CI 15630, CI 15800, CI 15850, CI 15865, CI 15880, CI 17200, CI 26100, CI 45380, CI 45410, CI 58000, CI 73360, CI 73915, CI 75470, and mixtures thereof.

7 . The pigment suspension according to claim 1 , wherein the phosphoric acid ester comprises an ester of orthophosphoric acid with an aliphatic alcohol.

8 . The pigment suspension according to claim 1 , wherein the phosphoric acid ester comprises an ester of orthophosphoric acid with a branched aliphatic alcohol having 11 to 14 carbon atoms.

9 . The pigment suspension according to claim 1 , wherein the phosphoric acid ester comprises an ester of orthophosphoric acid with an ethoxylated aliphatic alcohol having 8 to 18 carbon atoms.

10 . The pigment suspension according to claim 1 , wherein the phosphoric acid ester comprises an ester having the INCI designation Ceteth-20 phosphates.

11 . A cosmetic agent comprising:
an organic C 1 -C 6 alkoxysilanes and/or condensation products thereof; and a pigment suspension, wherein the pigment suspension comprises a coloring compound a) selected from the group of pigments and a phosphoric ester b).

12 . The cosmetic agent according to claim 11 , wherein the organic C 1 -C 6 alkoxysilanes comprises an organic C 1 -C 6 alkoxysilane of the formula (S-I) and/or (S-II) and/or (S-IV),
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 of one another represent a C 1 -C 6 alkyl group,
a, stands for an integer from 1 to 3, and
b stands for 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
R5, R5′, R5″, R6, R6′ and R6″ independently represent a C 1 -C 6 alkyl group,
A, 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 formula (S-III),
(A″″)-Si(R 6 ″) d ″(OR 5 ″) c ″  (S-III),

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,
provided that at least one of e, f, g, and h radicals are different from 0, and/or
R 9 Si(OR 10 ) k (R 11 ) m   (S-IV),

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

13 . The cosmetic agent according to claim 11 , wherein the cosmetic agent comprises at least two structurally different organic C 1 -C 6 alkoxysilanes.

14 . A kit-of-parts for dyeing keratinous material, comprising separately packaged
a first container comprising containing an agent (a′), wherein the agent (a′) comprises: (a1) an organic C 1 -C 6 -alkoxysilanes, and a second container containing an agent (a″), wherein the agent (a″) comprises: (a2) a pigment suspension, wherein the pigment suspension comprises a coloring compound a) selected from the group of pigments and a phosphoric ester b).

15 . The kit-of-parts of claim 14 , wherein the pigment comprises a substrate platelet, wherein the substrate platelet comprises a metal, a metal alloy, natural mica, or synthetic mica.

16 . The kit-of-parts of claim 14 , wherein the phosphoric ester b) comprises an ester of orthophosphoric acid with an aliphatic alcohol.

17 . The kit-of-parts of claim 14 , wherein the phosphoric ester b) comprises an ester having the INCI designation Ceteth-20 phosphates.

18 . The cosmetic agent of claim 11 , wherein the pigment comprises a substrate platelet, wherein the substrate platelet comprises a metal, a metal alloy, natural mica, or synthetic mica.

19 . The cosmetic agent of claim 11 , wherein the phosphoric ester b) comprises an ester of orthophosphoric acid with an aliphatic alcohol.

20 . The cosmetic agent of claim 11 , wherein the phosphoric ester b) comprises an ester having the INCI designation Ceteth-20 phosphates.

Assignees

• Henkel Ag & Co Kgaa

Inventors

• Weser Gabriele
• Kolonko Claudia
• Schumacher Ulrike
• Hodes Jing
• Kriener Caroline
• Bender Irmgard
• Jaiser Phillip
• Nowottny Marc
• Schoepgens Juergen
• Mathiaszyk Carsten
• Lechner Torsten

Classifications

• A61K8/044 Primary

  Suspensions · CPC title

• A61K8/0266

  Characterized by the sequence of layers · CPC title

• A61K8/585

  Organosilicon compounds · CPC title

• A61K8/55

  Phosphorus compounds · CPC title

• A61K8/26

  Aluminium; Compounds thereof · CPC title