IPC Subgroup
B01J 39/04 Processes using organic exchangers
Introduced: January 1980
Last revised: January 2017
Full Title
Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties > Processes using organic 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
2 direct subcodes
Child Classifications
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- B01J 39/05 in the strongly acidic form
- B01J 39/07 in the weakly acidic form