CPC Subgroup
B01J 29/66 containing iron group metals, noble metals or copper
Full Title
Catalysts comprising molecular sieves > having base-exchange properties, e.g. crystalline zeolites > Crystalline aluminosilicate zeolites; Isomorphous compounds thereof > of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US4046859, US4016245 and US4046859, respectively > containing iron group metals, noble metals or copper
2 direct subcodes
Child Classifications
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- B01J 29/67 Noble metals
- B01J 29/68 Iron group metals or copper