Cationic azo azine dyes and colorants that contain these...

Details Cationic azo azine dyes and colorants that contain these... Cationic azo azine dyes and colorants that contain these...

2008-06-03

2008-06-03

Powers, Fiona T (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

C534S605000, C534S615000, C008S404000, C008S405000, C008S426000, C008S917000

Reexamination Certificate

active

07381806

ABSTRACT:
The objects of the present invention are novel cationic azo azine dyes of the generic formula (I),as well as colorants for keratin fibers that contain these compounds.

REFERENCES:
patent: 3076721 (1963-02-01), Coles
patent: 4910152 (1990-03-01), Meyers et al.
patent: 2004/0187231 (2004-09-01), Eliu et al.
patent: 2005/0000034 (2005-01-01), Eliu
patent: 58-49951 (1983-03-01), None
International Search Report dated Nov. 24, 2005.
Y. Mori,Chem. Pharm. Bull., 1981, 29(5), 1439-1442.

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