IPC Subgroup
C09B 35/44 the component K being a hydroxy amine
Introduced: September 1968
Last revised: January 2006
Full Title
Disazo or polyazo dyes of the type A ← D → B prepared by diazotising and coupling > Trisazo dyes ot the types > the component K being a hydroxy amine
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
1 direct subcode
Child Classifications
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- C09B 35/46 the component K being an amino naphthol