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PCE
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DIFF Subgroup
B01J 35/20

characterised by their non-solid state

Introduced: January 2024

Full Title

Catalysts, in general, characterised by their form or physical properties > characterised by their non-solid state

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

IPC defines codes here since 2024.

Child Classifications

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  • B01J 35/23 in a colloidal state since 2024 IPC+CPC Available in IPC and CPC
  • B01J 35/27 in a liquid or molten state since 2024 IPC+CPC Available in IPC and CPC