IPC Subgroup
B01J 39/02 Processes using inorganic exchangers
Introduced: January 1980
Last revised: January 2006
Full Title
Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties > Processes using inorganic exchangers
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