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PCE
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DIFF Subgroup
C09B 43/124

with monocarboxylic acids, carbamic esters or halides, mono- isocyanates, or haloformic acid esters

Introduced: January 1980

Title

Titles differ between systems:

IPC: with monocarboxylic acids, carbamic esters or halides, monoisocyanates, or haloformic acid esters

CPC: with monocarboxylic acids, carbamic esters or halides, mono- isocyanates, or haloformic acid esters

Full Title

Full titles differ between systems:

IPC:

Preparation of azo dyes from other azo compounds > by acylation of amino groups > with monocarboxylic acids, carbamic esters or halides, monoisocyanates, or haloformic acid esters

CPC:

Preparation of azo dyes from other azo compounds > by acylation of amino groups > with monocarboxylic acids, carbamic esters or halides, mono- isocyanates, or haloformic acid esters

CPC subdivides this area 3x more granularly than IPC with 3 additional codes.

3 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

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  • C09B 43/1242 CPC only CPC only
  • C09B 43/1245 CPC only CPC only
  • C09B 43/1247 CPC only CPC only
  • C09B 43/128 Aliphatic, cycloaliphatic or araliphatic acids since 1980 IPC+CPC Available in IPC and CPC
  • C09B 43/132 having the carboxylic group directly attached to an aromatic carbocyclic ring since 1980 IPC+CPC Available in IPC and CPC