DIFF Subgroup
B01J 35/50 characterised by their shape or configuration
Introduced: January 2024
Full Title
Catalysts, in general, characterised by their form or physical properties > characterised by their shape or configuration
Of 6 combined children, 5 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 2024.
Child Classifications
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- B01J 35/56 Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional [3D] monoliths since 2024 IPC+CPC Available in IPC and CPC