IPC Subgroup
B01J 37/16 Reducing
Introduced: July 1974
Last revised: January 2006
Full Title
Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts > Reducing
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
1 direct subcode
Child Classifications
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- B01J 37/18 with gases containing free hydrogen