Use of inorganic substances as compounding ingredients

Introduced: July 1974

IPC and CPC are identically structured here. All 11 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

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C08K 3/01 characterized by their specific function since 2018 IPC+CPC Available in IPC and CPC
C08K 3/02 Elements since 1974 +2 CPC IPC+CPC Available in IPC and CPC
C08K 3/10 Metal compounds since 1974 IPC+CPC Available in IPC and CPC
C08K 3/16 Halogen-containing compounds since 1974 +4 CPC IPC+CPC Available in IPC and CPC
C08K 3/18 Oxygen-containing compounds, e.g. metal carbonyls since 1974 IPC+CPC Available in IPC and CPC
C08K 3/28 Nitrogen-containing compounds since 1974 +3 CPC IPC+CPC Available in IPC and CPC
C08K 3/30 Sulfur-, selenium- or tellurium-containing compounds since 1974 +3 CPC IPC+CPC Available in IPC and CPC
C08K 3/32 Phosphorus-containing compounds since 1974 +2 CPC IPC+CPC Available in IPC and CPC
C08K 3/34 Silicon-containing compounds since 1974 +2 CPC IPC+CPC Available in IPC and CPC
C08K 3/38 Boron-containing compounds since 1974 +2 CPC IPC+CPC Available in IPC and CPC
C08K 3/40 Glass since 1974 IPC+CPC Available in IPC and CPC