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PCE
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DIFF Subgroup
B01J 23/40

of the platinum group metals

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

Catalysts comprising metals or metal oxides or hydroxides, not provided for in group > of noble metals > of the platinum group metals

CPC:

Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 (B01J21/16 takes precedence) > of noble metals > of the platinum group metals

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

IPC defines codes here since 1974.

Child Classifications

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  • B01J 23/42 Platinum since 1974 IPC+CPC Available in IPC and CPC
  • B01J 23/44 Palladium since 1974 IPC+CPC Available in IPC and CPC