IPC Subgroup
C09B 29/46 1,2-Diazoles or hydrogenated 1,2-diazoles
Introduced: January 1980
Last revised: January 2006
Full Title
Monoazo dyes prepared by diazotising and coupling > from other coupling components > from heterocyclic compounds > 1,2-Diazoles or hydrogenated 1,2-diazoles
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
2 direct subcodes
Child Classifications
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- C09B 29/48 Amino-1,2-diazoles
- C09B 29/5 1,2-Diazolones