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DIFF Subgroup
B01J 23/32

Manganese, technetium or rhenium

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 arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium > Manganese, technetium or rhenium

CPC:

Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 (B01J21/16 takes precedence) > of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium > Manganese, technetium or rhenium

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 23/34 Manganese since 1974 IPC+CPC Available in IPC and CPC
  • B01J 23/36 Rhenium since 1974 IPC+CPC Available in IPC and CPC