the tetrazo component containing two aryl nuclei linked by at least one of the groups —CON, —SON, —SO—, or —SOO—

Full Title

Disazo or polyazo dyes of the type A ← D → B prepared by diazotising and coupling > Disazo dyes > characterised by the tetrazo component > the tetrazo component containing two aryl nuclei linked by at least one of the groups —CON, —SON, —SO—, or —SOO—

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 35/3 from two identical coupling components
• C09B 35/32 from two different coupling components