DIFF Subgroup
B01J 29/20 containing iron group metals, noble metals or copper
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Catalysts comprising molecular sieves > having base-exchange properties, e.g. crystalline zeolites, pillared clays > Crystalline aluminosilicate zeolites; Isomorphous compounds thereof > of the mordenite type > containing iron group metals, noble metals or copper
CPC:
Catalysts comprising molecular sieves > having base-exchange properties, e.g. crystalline zeolites > Crystalline aluminosilicate zeolites; Isomorphous compounds thereof > of the mordenite type > containing iron group metals, noble metals or copper
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
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