IPC Subgroup
B01J 23/9 Regeneration or reactivation
Introduced: July 1974
Last revised: January 2006
Full Title
Catalysts comprising metals or metal oxides or hydroxides, not provided for in group > Regeneration or reactivation
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
3 direct subcodes
Child Classifications
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- B01J 23/92 of catalysts comprising metals, oxides or hydroxides provided for in groups
- B01J 23/94 of catalysts comprising metals, oxides or hydroxides of the iron group metals or copper
- B01J 23/96 of catalysts comprising metals, oxides or hydroxides of the noble metals