IPC Main Group
B01J 27/00 Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
Introduced: July 1974
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
6 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B01J 27/02 Sulfur, selenium or tellurium; Compounds thereof
- B01J 27/06 Halogens; Compounds thereof
- B01J 27/14 Phosphorus; Compounds thereof
- B01J 27/2 Carbon compounds
- B01J 27/24 Nitrogen compounds
- B01J 27/28 Regeneration or reactivation