combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36

Introduced: July 1974

Title

Titles differ between systems:

IPC: combined with metals, oxides or hydroxides provided for in groups

CPC: combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36

Full Title

Full titles differ between systems:

IPC:

Catalysts comprising metals or metal oxides or hydroxides, not provided for in group > of noble metals > combined with metals, oxides or hydroxides provided for in groups

CPC:

Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 (B01J21/16 takes precedence) > of noble metals > combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 1974.

Child Classifications

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B01J 23/56 Platinum group metals since 1974 IPC+CPC Available in IPC and CPC
B01J 23/66 Silver or gold since 1974 IPC+CPC Available in IPC and CPC