DIFF Subgroup
A61K 35/04 Tars; Bitumens; Mineral oils; Ammonium bituminosulfonate
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Medicinal preparations containing materials or reaction products thereof with undetermined constitution > from inanimate materials > Tars; Bitumens; Mineral oils; Ammonium bituminosulfonate
CPC:
Medicinal preparations containing materials or reaction products thereof with undetermined constitution > from inanimate materials (carbon A61K33/44) > Tars; Bitumens; Mineral oils; Ammonium bituminosulfonate
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
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- A61K 35/06 Mineral oils, e.g. paraffinic oils or aromatic oils based on aromatic hydrocarbons since 1974 IPC+CPC Available in IPC and CPC