DIFF Subgroup
C09B 43/12 by acylation of amino groups
Introduced: September 1968
Full Title
Preparation of azo dyes from other azo compounds > by acylation of amino groups
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1980.
Child Classifications
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- C09B 43/124 with monocarboxylic acids, carbamic esters or halides, mono- isocyanates, or haloformic acid esters since 1980 +3 CPC IPC+CPC Available in IPC and CPC