IPC Subgroup
B01D 37/02 Precoating the filtering elements or material; Addition of filter aids to the liquid being filtered
Introduced: September 1968
Last revised: January 2006
Full Title
Processes of filtration > Precoating the filtering elements or material; Addition of filter aids to the liquid being filtered
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- SEPARATION
Related Keywords
using FILTER(S) aids