IPC Subgroup
C09B 35/52 of the type
Introduced: January 1980
Last revised: January 2006
Full Title
Disazo or polyazo dyes of the type A ← D → B prepared by diazotising and coupling > Tetrazo dyes > of the type
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