IPC Subgroup
B01J 23/76 combined with metals, oxides or hydroxides provided for in groups
Introduced: July 1974
Last revised: January 2006
Full Title
Catalysts comprising metals or metal oxides or hydroxides, not provided for in group > of the iron group metals or copper > combined with metals, oxides or hydroxides provided for in groups
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
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- B01J 23/78 with alkali- or alkaline earth metals or beryllium
- B01J 23/8 with zinc, cadmium or mercury
- B01J 23/825 with gallium, indium or thallium
- B01J 23/83 with rare earths or actinides
- B01J 23/835 with germanium, tin or lead
- B01J 23/84 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium