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PCE
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DIFF Subgroup
C09B 43/136

with polyfunctional acylating agents

Introduced: January 1980

Full Title

Preparation of azo dyes from other azo compounds > by acylation of amino groups > with polyfunctional acylating agents

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • C09B 43/14 with phosgene or thiophosgene IPC+CPC Available in IPC and CPC
  • C09B 43/155 with di- or poly-isocyanates since 1980 IPC+CPC Available in IPC and CPC
  • C09B 43/16 linking amino-azo or cyanuric acid residues IPC+CPC Available in IPC and CPC