IPC Subgroup
B01J 38/6 using acids
Introduced: January 1985
Last revised: January 2006
Full Title
Regeneration or reactivation of catalysts, in general > Liquid treating or treating in liquid phase, e.g. dissolved or suspended > using acids
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 38/62 organic