IPC Subgroup
B01J 37/03 Precipitation; Co-precipitation
Introduced: January 1985
Last revised: January 2006
Full Title
Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts > Impregnation, coating or precipitation > Precipitation; Co-precipitation
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