IPC Subgroup
C09B 35/02 Disazo dyes
Introduced: September 1968
Last revised: January 2006
Full Title
Disazo or polyazo dyes of the type A ← D → B 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
3 direct subcodes
Child Classifications
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- C09B 35/021 characterised by two coupling components of the same type
- C09B 35/037 characterised by two coupling components of different types
- C09B 35/039 characterised by the tetrazo component