Patent · US Active

Oxidation dye precursors

US9132073B2 · kind B2 · utility

0Cited by

1References

18Claims

0Family size

Assignee

Henkel AG & Co. KGaA · DE

Inventors

Antje Gebert · Goldkronach, DE
Annika Koenen · Grevenbroich, DE

Key dates

Filing date	Aug 22, 2014
Grant date	Sep 15, 2015
Priority date	—
Expiry date	Aug 22, 2034

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/10
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

An agent for oxidative coloring of keratin-containing fibers, in particular human hair, includes as oxidation dye precursor of the developer type at least one compound of formula (I).

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