IPC Subgroup
B01J 29/035 Crystalline silica polymorphs, e.g. silicalites
Introduced: January 1995
Last revised: January 2006
Full Title
Catalysts comprising molecular sieves > not having base-exchange properties > Crystalline silica polymorphs, e.g. silicalites
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
catalysts comprising SILICA molecular sieves