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DIFF Main Group
A61K 33/00

Medicinal preparations containing inorganic active ingredients

Introduced: July 1974

IPC and CPC are identically structured here. All 12 subcodes exist in both systems.

IPC defines codes here since 1974.

Child Classifications

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  • A61K 33/02 Ammonia; Compounds thereof since 1974 IPC+CPC Available in IPC and CPC
  • A61K 33/04 Sulfur, selenium or tellurium; Compounds thereof since 1974 IPC+CPC Available in IPC and CPC
  • A61K 33/14 Alkali metal chlorides; Alkaline earth metal chlorides since 1974 IPC+CPC Available in IPC and CPC
  • A61K 33/16 Fluorine compounds since 1974 IPC+CPC Available in IPC and CPC
  • A61K 33/18 Iodine; Compounds thereof since 1974 IPC+CPC Available in IPC and CPC
  • A61K 33/20 Elemental chlorine; Inorganic compounds releasing chlorine since 1974 IPC+CPC Available in IPC and CPC
  • A61K 33/22 Boron compounds since 1974 IPC+CPC Available in IPC and CPC
  • A61K 33/40 Peroxides since 1974 IPC+CPC Available in IPC and CPC
  • A61K 33/42 Phosphorus; Compounds thereof since 1974 IPC+CPC Available in IPC and CPC
  • A61K 33/44 Elemental carbon, e.g. charcoal, carbon black since 1974 IPC+CPC Available in IPC and CPC