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PCE
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DIFF Subgroup
C09B 43/08

by reduction

Introduced: September 1968

Full Title

Preparation of azo dyes from other azo compounds > by reduction

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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  • C09B 43/085 CPC only CPC only
  • C09B 43/10 with formation of a new azo or an azoxy bridge IPC+CPC Available in IPC and CPC