IPC Subgroup
C09B 31/043 Amino benzenes
Introduced: January 1980
Last revised: January 2006
Full Title
Disazo or polyazo dyes of the type A → B → C, A → B → C → D, or the like, prepared by diazotising and coupling > Disazo dyes > from a coupling component "C" containing a directive amino group > Amino benzenes
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 31/047 containing acid groups, e.g. —COOH, —SOH, —POH, —OSOH, —OPOH; Salts thereof