IPC Subgroup
B01D 3/42 Regulation; Control
Introduced: September 1968
Last revised: January 2006
Full Title
Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping > Regulation; Control
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- SEPARATION