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IPC Subgroup
C09B 1/514

N-aryl derivatives

Introduced: July 1974

Last revised: January 2006

Full Title

Dyes with an anthracene nucleus not condensed with any other ring > Amino-hydroxy anthraquinones; Ethers or esters thereof > N-substituted amino-hydroxy anthraquinone > N-aryl derivatives

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