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PCE
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DIFF Subgroup
C08K 5/17

Amines; Quaternary ammonium compounds

Introduced: July 1974

Full Title

Use of organic ingredients > Nitrogen-containing compounds > Amines; Quaternary ammonium compounds

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1974.

Child Classifications

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  • C08K 5/175 CPC only CPC only
  • C08K 5/18 with aromatically bound amino groups since 1974 IPC+CPC Available in IPC and CPC
  • C08K 5/19 Quaternary ammonium compounds since 1974 IPC+CPC Available in IPC and CPC