IPC Main Group
B01J 3/00 Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
Introduced: September 1968
Last revised: January 2006
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
Related Keywords
AUTOCLAVESDIGESTERS for chemical or physical processesPRESSURE vessels for chemical or physical processessub-atmospheric or super-atmospheric PRESSURE vessels for chemical and physical processes
4 direct subcodes
Child Classifications
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- B01J 3/02 Feed or outlet devices therefor
- B01J 3/03 Pressure vessels, or vacuum vessels, having closure members or seals specially adapted therefor
- B01J 3/04 Pressure vessels, e.g. autoclaves
- B01J 3/06 Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies