Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes

Introduced: July 1974

CPC subdivides this area 3x more granularly than IPC with 6 additional codes.

6 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

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B01J 8/0005 CPC only CPC only
B01J 8/001 CPC only CPC only
B01J 8/0015 +6 CPC CPC only CPC only
B01J 8/005 +5 CPC CPC only CPC only
B01J 8/008 +2 CPC CPC only CPC only
B01J 8/0095 CPC only CPC only
B01J 8/02 with stationary particles, e.g. in fixed beds since 1974 +5 CPC IPC+CPC Available in IPC and CPC
B01J 8/08 with moving particles (with fluidised particles B01J8/18) since 1974 +3 CPC IPC+CPC Available in IPC and CPC
B01J 8/16 with particles being subjected to vibrations or pulsations (B01J8/40 takes precedence) since 1974 IPC+CPC Available in IPC and CPC
B01J 8/18 with fluidised particles since 1974 +6 CPC IPC+CPC Available in IPC and CPC

Class B01,2013–2023, worldwide · Source: EPO PATSTAT

Class B01,2013–2023, worldwide · Source: EPO PATSTAT