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

Introduced: July 1974

Title

Titles differ between systems:

IPC: Catalysts comprising metals or metal oxides or hydroxides, not provided for in group

CPC: Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 (B01J21/16 takes precedence)

Full titles differ between systems:

IPC:

Catalysts comprising metals or metal oxides or hydroxides, not provided for in group

CPC:

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

Of 13 combined children, 10 exist in both systems.

3 codes are CPC-only extensions.

IPC defines codes here since 1974.

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B01J 23/002 CPC only CPC only
B01J 23/005 CPC only CPC only
B01J 23/007 CPC only CPC only
B01J 23/02 of the alkali- or alkaline earth metals or beryllium since 1974 IPC+CPC Available in IPC and CPC
B01J 23/06 of zinc, cadmium or mercury since 1974 IPC+CPC Available in IPC and CPC
B01J 23/08 of gallium, indium or thallium since 1974 IPC+CPC Available in IPC and CPC
B01J 23/10 of rare earths since 1974 IPC+CPC Available in IPC and CPC
B01J 23/12 of actinides since 1974 IPC+CPC Available in IPC and CPC
B01J 23/14 of germanium, tin or lead since 1974 IPC+CPC Available in IPC and CPC
B01J 23/16 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium since 1974 IPC+CPC Available in IPC and CPC
B01J 23/38 of noble metals since 1974 IPC+CPC Available in IPC and CPC
B01J 23/70 of the iron group metals or copper since 1974 IPC+CPC Available in IPC and CPC
B01J 23/90 Regeneration or reactivation since 1974 IPC+CPC Available in IPC and CPC