Use of organic ingredients

Introduced: July 1974

Of 12 combined children, 10 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 1974.

Child Classifications

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C08K 5/0008 +9 CPC CPC only CPC only
C08K 5/0091 CPC only CPC only
C08K 5/01 Hydrocarbons since 1974 IPC+CPC Available in IPC and CPC
C08K 5/02 Halogenated hydrocarbons since 1974 IPC+CPC Available in IPC and CPC
C08K 5/04 Oxygen-containing compounds since 1974 IPC+CPC Available in IPC and CPC
C08K 5/16 Nitrogen-containing compounds since 1974 IPC+CPC Available in IPC and CPC
C08K 5/36 Sulfur-, selenium-, or tellurium-containing compounds since 1974 IPC+CPC Available in IPC and CPC
C08K 5/49 Phosphorus-containing compounds since 1974 IPC+CPC Available in IPC and CPC
C08K 5/54 Silicon-containing compounds since 1974 +2 CPC IPC+CPC Available in IPC and CPC
C08K 5/55 Boron-containing compounds since 1974 IPC+CPC Available in IPC and CPC
C08K 5/56 Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond since 1974 IPC+CPC Available in IPC and CPC
C08K 5/59 Arsenic- or antimony-containing compounds since 1974 IPC+CPC Available in IPC and CPC