Patent · US Active

Dyeing composition comprising direct dyes

US12350359B2 · kind B2 · utility

0Cited by

4References

19Claims

0Family size

Assignee

KAO CORPORATION · JP

Inventors

Bernd Nöcker · Darmstadt, DE
Qi Uellner · Darmstadt, DE
Fariba Ghiasi · Darmstadt, DE
Steven Breakspear · Darmstadt, DE
Peter Bauer · Ludwigshafen, 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 dyeing composition for keratin fibers, containing one or more alkalizing agents, one or more direct dyes, and one or more compounds selected from the following groups:

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