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PCE
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DIFF Subgroup
C09B 31/06

from a coupling component "C" containing a directive hydroxyl group

Introduced: September 1968

Title

Titles differ between systems:

IPC: from a coupling component "C" containing a directive hydroxy group

CPC: from a coupling component "C" containing a directive hydroxyl group

Full Title

Full titles differ between systems:

IPC:

Disazo or polyazo dyes of the type A → B → C, A → B → C → D, or the like, prepared by diazotising and coupling > Disazo dyes > from a coupling component "C" containing a directive hydroxy group

CPC:

Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling > Disazo dyes > from a coupling component "C" containing a directive hydroxyl group

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1980.

Child Classifications

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  • C09B 31/061 CPC only CPC only