B01J 29/50 of the erionite or offretite type, e.g. zeolite T, as exemplified by patent document US2950952
Introduced: January 1995
Title
Titles differ between systems:
IPC: of the erionite or offretite type, e.g. zeolite T
CPC: of the erionite or offretite type, e.g. zeolite T, as exemplified by patent document US2950952
Full Title
Full titles differ between systems:
Catalysts comprising molecular sieves > having base-exchange properties, e.g. crystalline zeolites, pillared clays > Crystalline aluminosilicate zeolites; Isomorphous compounds thereof > of the erionite or offretite type, e.g. zeolite T
Catalysts comprising molecular sieves > having base-exchange properties, e.g. crystalline zeolites > Crystalline aluminosilicate zeolites; Isomorphous compounds thereof > of the erionite or offretite type, e.g. zeolite T, as exemplified by patent document US2950952
Of 3 combined children, 2 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1995.
Child Classifications
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- B01J 29/52 containing iron group metals, noble metals or copper since 1995 IPC+CPC Available in IPC and CPC
- B01J 29/58 containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium since 1995 IPC+CPC Available in IPC and CPC