IPC Subgroup
C09B 29/1 from coupling components containing hydroxy as the only directing group
Introduced: September 1968
Last revised: January 2006
Full Title
Monoazo dyes prepared by diazotising and coupling > from coupling components containing hydroxy as the only directing group
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 29/12 of the benzene series
- C09B 29/15 of the naphthalene series
- C09B 29/18 ortho-Hydroxy carbonamides