3-aminophenol derivatives and dyes that contain these...

Details 3-aminophenol derivatives and dyes that contain these... 3-aminophenol derivatives and dyes that contain these...

2006-11-07

2006-11-07

Elhilo, Eisa (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Hair dyeing

C008S406000, C008S410000, C008S411000, C008S412000, C008S421000, C008S423000, C548S400000, C549S415000, C549S476000, C549S478000, C549S479000, C549S480000, C549S497000

Reexamination Certificate

active

07132001

ABSTRACT:
The object of the present patent application are 3-aminophenol derivatives of formula (I) or the physiologically compatible, water-soluble salts thereofand colorants based on a developer-coupler combination containing these compounds.

REFERENCES:
patent: 6592631 (2003-07-01), Chassot et al.
patent: 6840965 (2005-01-01), Chassot et al.
patent: 0 850 638 (1998-07-01), None
patent: 1 153 917 (2001-11-01), None
patent: 95 15144 (1995-06-01), None
patent: 01 85683 (2001-11-01), None
patent: 02 062783 (2002-08-01), None
Chapter “Protective Groups”, in Organic Synthesis, Chapter 3, Wiley Interscience, 1991, pp. 143-174.
Chapter “Protective Groups”, in Organic Synthesis, Chapter 7, Wiley Interscience, 1991, pp. 494-653.

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