by reacting ortho- or peri-dicarboxylic dyes

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 > by reacting ortho- or peri-dicarboxylic dyes

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