IPC Subgroup
C09B 43/12 by acylation of amino groups
Introduced: September 1968
Last revised: January 2006
Full Title
Preparation of azo dyes from other azo compounds > by acylation of amino groups
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
2 direct subcodes
Child Classifications
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- C09B 43/124 with monocarboxylic acids, carbamic esters or halides, monoisocyanates, or haloformic acid esters
- C09B 43/136 with polyfunctional acylating agents