Patent · US Active

Improving the fastness to washing of pigment-containing dyes by using an oxidative pretreatment agent

US12109298B2 · kind B2 · utility

0Cited by

0References

20Claims

0Family size

Assignee

Henkel AG & Co. KGaA · DE

Inventors

Constanze Kruck · Grevenbroich, DE
Sandra HILBIG · Bochum, DE
Melanie Moch · Dormagen, DE
Daniela Kessler-Becker · Leverkusen, DE

Key dates

Filing date	Feb 1, 2021
Grant date	Oct 8, 2024
Priority date	—
Expiry date	May 6, 2041

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/884
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A process and a kit-of-parts for dyeing keratinous material, in particular human hair, are provided. An exemplary process includes applying a pre-treatment agent (V) to the keratinous material, wherein the pre-treatment agent in a cosmetic carrier includes at least one oxidizing agent (V-1), and applying a colorant (F) to the keratinous material, the colorant being in a cosmetic carrier and including (F-1) at least one amino-functionalized silicone polymer and (F-2) at least one pigment.

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