DIFF Subgroup
B01J 35/66 Pore distribution
Introduced: January 2024
Full Title
Catalysts, in general, characterised by their form or physical properties > characterised by their surface properties or porosity > Pore distribution
Of 3 combined children, 2 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 2024.
Child Classifications
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