Disazo dyes

Full Title

Disazo or polyazo dyes of the types A → K ← B, A → B → K ← C, 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 33/04 in which the coupling component is a dihydroxy or polyhydroxy compound
• C09B 33/06 in which the coupling component is a diamine or polyamine
• C09B 33/08 in which the coupling component is a hydroxy-amino compound
• C09B 33/12 in which the coupling component is a heterocyclic compound
• C09B 33/147 in which the coupling component is a bis-(o-hydroxy carboxylic acid amide)
• C09B 33/153 in which the coupling component is a bis-(aceto-acetyl amide) or a bis-(benzoyl-acetylamide)
• C09B 33/16 from other coupling components