Patent · US Active

Oxazine disulfide dyes

US7731760B2 · kind B2 · utility

2Cited by

4References

14Claims

0Family size

Assignee

Ciba Corp. · US

Inventors

Christian Cremer · Aachen, DE
Olof Wallquist · Basel, CH

Key dates

Filing date	Sep 27, 2006
Grant date	Jun 8, 2010
Priority date	—
Expiry date	May 21, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B49/06
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Disclosed are certain oxazine disulfide dyes useful for the dyeing of organic materials, such as keratin fibers, preferably human hair. the dyes are for instance of the formulae

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