IPC Subgroup
B01J 19/02 Apparatus characterised by being constructed of material selected for its chemically-resistant properties
Introduced: January 1980
Last revised: January 2006
Full Title
Chemical, physical or physico-chemical processes in general; Their relevant apparatus > Apparatus characterised by being constructed of material selected for its chemically-resistant properties
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