by reacting carboxyl or sulfonic groups, or derivatives thereof, with amines; by reacting keto groups with amines

Introduced: January 1980

Last revised: January 2006

Full Title

Preparation of azo dyes from other azo compounds > by reacting carboxyl or sulfonic groups, or derivatives thereof, with amines; by reacting keto groups with amines

Classification Context

Section:: CHEMISTRY; METALLURGY
Class:: DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
Subclass:: ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; MORDANTS; LAKES

3 direct subcodes

Child Classifications

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C09B 43/34 by reacting ortho- or peri-dicarboxylic dyes
C09B 43/36 with amino anthracene or amino anthraquinone dyes
C09B 43/38 by reacting two or more ortho-hydroxy naphthoic acid dyes with polyamines