IPC Subgroup
B01J 38/04 Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
Introduced: January 1985
Last revised: January 2006
Full Title
Regeneration or reactivation of catalysts, in general > Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
5 direct subcodes
Child Classifications
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- B01J 38/06 using steam
- B01J 38/08 using ammonia or derivatives thereof
- B01J 38/1 using elemental hydrogen
- B01J 38/12 Treating with free oxygen-containing gas
- B01J 38/42 using halogen-containing material