Patent · US Active

Agent for dyeing keratin-containing fibers

US7799096B2 · kind B2 · utility

1Cited by

1References

22Claims

0Family size

Assignee

Henkel AG & Co. KGaA · DE

Inventors

Wibke Gross · Mülheim an der Ruhr, DE
Doris Oberkobusch · Goldkronach, DE
Ralph Nemitz · Frechen, DE

Key dates

Filing date	Nov 20, 2007
Grant date	Sep 21, 2010
Priority date	—
Expiry date	Nov 20, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D295/116
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to an agent for dying fibers comprising keratin, particularly human hair, the agent comprising at least one compound of the formula:together with at least one CH-acidic compound. The invention also relates to methods for shading oxidation dyed fibers, methods for freshening up fibers, methods for making an agent for dyeing fibers and to various compositions.

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