Benzo-, naphtho-, or anthra-dianthrones

Full Title

Dyes with anthracene nucleus condensed with one or more carbocyclic rings > Benzo-, naphtho-, or anthra-dianthrones

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

Child Classifications

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• C09B 3/72 Preparation by synthesis of the nucleus
• C09B 3/74 Preparation from starting materials already containing the benzo-, naphtho-, or anthra-dianthrone nucleus