Disazo dyes

Full Title

Disazo or polyazo dyes of the type A → B → C, A → B → C → D, or the like, prepared by diazotising and coupling > Disazo 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

Child Classifications

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• C09B 31/04 from a coupling component "C" containing a directive amino group
• C09B 31/06 from a coupling component "C" containing a directive hydroxy group
• C09B 31/08 from a coupling component "C" containing directive hydroxy and amino groups
• C09B 31/1 from a coupling component "C" containing reactive methylene groups
• C09B 31/12 from other coupling components "C"