Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
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

Navigate with arrow keys, Enter to open

  • B01J 35/505 CPC only CPC only
  • B01J 35/54 Bars or plates since 2024 IPC+CPC Available in IPC and CPC
  • B01J 35/55 Cylinders or rings since 2024 IPC+CPC Available in IPC and CPC