IPC Subgroup
C09B 33/02 Disazo dyes
Introduced: September 1968
Last revised: January 2006
Full Title
Disazo or polyazo dyes of the types A → K ← B, A → B → K ← C, or the like, 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
7 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C09B 33/04 in which the coupling component is a dihydroxy or polyhydroxy compound
- C09B 33/06 in which the coupling component is a diamine or polyamine
- C09B 33/08 in which the coupling component is a hydroxy-amino compound
- C09B 33/12 in which the coupling component is a heterocyclic compound
- C09B 33/147 in which the coupling component is a bis-(o-hydroxy carboxylic acid amide)
- C09B 33/153 in which the coupling component is a bis-(aceto-acetyl amide) or a bis-(benzoyl-acetylamide)
- C09B 33/16 from other coupling components