Patent · US Active

Cosmetic product for dyeing keratin fibers

US12350360B2 · kind B2 · utility

0Cited by

4References

20Claims

0Family size

Assignee

KAO CORPORATION · JP

Inventors

Bernd Nöcker · Darmstadt, DE
Qi Uellner · Darmstadt, DE
Steven Breakspear · Darmstadt, DE

Key dates

Filing date	Apr 26, 2022
Grant date	Jul 8, 2025
Priority date	—
Expiry date	Apr 26, 2042

Classification

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

Abstract

A cosmetic product, including a composition A containing one or more alkalizing agents and one or more direct dyes, and an aqueous composition B having a pH in a range of 1 to 6. The aqueous composition B contains hydrogen peroxide, and one or more compounds selected from the following groups:

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