US 11,883,518 B2 · Method for dyeing keratinous material, comprising the use of an organosilicon compound, an hydroxycarboxylic acid ester, a diol and a dyeing compound

Abstract

The subject of the present disclosure is a method for dyeing keratinous material, in particular human hair, comprising the following steps: Application of an agent (a) to the keratinous material, wherein the agent (a) comprises: (a1) at least one organic silicon compound selected from the group of silanes having one, two or three silicon atoms, and (a2) at least one hydroxycarboxylic acid ester, (a3) at least one diol and Application of an agent (b) to the keratinous material, wherein the agent (b) comprises: (b1) at least one sealing reagent, wherein at least one of the agents (a) and (b) further comprises at least one colorant compound selected from the group of pigments and/or direct dyes.

Claims20

Dependent claims

A method for dyeing keratinous material, the method comprising the steps of:

applying an agent (a) to the keratinous material, wherein the agent (a) comprises:
(a1) an organic silicon compound selected from the group of silanes having one, two or three silicon atoms,
(a2) a hydroxycarboxylic acid ester, and
(a3) a diol and
applying an agent (b) to the keratinous material, wherein the agent (b) comprises:
(b1) a sealing reagent,
wherein at least one of the agents (a) and (b) further comprises at least one colorant compound selected from the group of pigments and/or direct dyes.

4 more elements

A multi-component packaging unit (kit-of-parts) for dyeing keratinous material, comprising:

a first container containing an agent (a′), wherein the agent (a′) comprises:
an organic silicon compound (a1) selected from the group of silanes having one, two or three silicon atoms, and
a second container containing an agent (a″), wherein the agent (a″) comprises:
a hydroxycarboxylic acid ester (a2),
a third container containing an agent (a′″), said agent (e) comprising:
a diol (a3), and
a fourth container containing agent (b), wherein the agent (b) comprises:
a sealing reagent (b1),
wherein at least one of the agents (a″), (a′″) and (b) further comprises at least one colorant compound selected from the group of pigments and/or direct dyes.

6 more elements

Dependencies are inferred from the claim text.

Facts

Application

17/785,878Filed 16 Oct 2020

Priority

DE 102019219708.616 Dec 2019

Published

US 2023/0059044 A123 Feb 2023

Granted

30 Jan 2024

Term ends

Not estimatedThe source records don’t support an estimate.

Classification10 codes

A61K 8/585
Containing atoms other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur or phosphorus: organosilicon compounds
A61Q 5/065
Preparations for styling the hair, e.g. by temporary shaping or colouring: preparations for temporary colouring the hair, e.g. direct dyes
A61K 8/345
Alcohols: containing more than one hydroxy group
A61K 8/37
Containing oxygen: esters of carboxylic acids

Method for dyeing keratinous material, comprising the use of an organosilicon compound, an hydroxycarboxylic acid ester, a diol and a dyeing compound

Life of this patent

Method for dyeing keratinous material, comprising the use of an organosilicon compound, an hydroxycarboxylic acid ester, a diol and a dyeing compound

Life of this patent

Abstract

Claims20