Patent · US Active

Method for dyeing keratinous material by means of a premix of aminosilicone and a chromophoric compound

US11771641B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

Henkel AG & Co. KGaA · DE

Inventors

Constanze Kruck · Grevenbroich, DE
Sandra HILBIG · Bochum, DE
Daniela Kessler-Becker · Leverkusen, DE
Sofie Baumann · Remscheid, DE

Key dates

Filing date	Apr 23, 2020
Grant date	Oct 3, 2023
Priority date	—
Expiry date	Apr 23, 2040

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/882
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A process is provided for dyeing keratinous material. The process includes (1) providing an agent (a) that includes (a1) at least one amino-functionalized silicone polymer and (a2) at least one colorant compound. The process further includes (2) providing an agent (b) that includes (b1) water and (b2) at least one fat component. The method includes (3) preparing an application mixture by mixing agents (a) and (b) and (4) applying the application mixture to the keratinous material. Further, the method includes (5) exposing the application mixture to the keratinous material and (6) rinsing the application mixture with water.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.