Patent · US Expired

Agent for coloring keratin containing fibers

US6790239B1 · kind B1 · utility

4Cited by

5References

22Claims

0Family size

Assignee

Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

Hinrich Moeller · Monheim, DE
Doris Oberkobusch · Goldkronach, DE
Horst Hoeffkes · Goldkronach, DE

Key dates

Filing date	Apr 18, 2002
Grant date	Sep 14, 2004
Priority date	—
Expiry date	Apr 2, 2023

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61Q5/10
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A coloring composition and a method of coloring keratin-containing fibers are provided. The coloring composition contains a mixture of and/or a reaction product of at least one aromatic aldehyde or ketone and at least one CH-active compound. In the method of the present invention, the aromatic aldehyde or ketone and the CH-active compound may be applied to keratin-containing fibers simultaneously or successively.

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