Chemistry of inorganic compounds – Zeolite – Isomorphic metal substitution
Patent
1991-04-09
1993-08-24
Breneman, R. Bruce
Chemistry of inorganic compounds
Zeolite
Isomorphic metal substitution
423715, 423DIG21, 502 61, 502 79, 502 86, 208120, C01B 3334
Patent
active
052386759
ABSTRACT:
Zeolites containing gallium in their crystalline framework structure are prepared by treating a zeolite material with a reagent capable of replacing a part of the aluminum of the framework structure of the zeolite material with the gallium. The method is especially applicable for the preparation of faujasitic materials of the formula
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patent: 4524140 (1985-06-01), Chang et al.
patent: 4654316 (1987-03-01), Barri et al.
patent: 4803060 (1989-02-01), Occelli
patent: 4874730 (1989-10-01), Klazinga
patent: 4891463 (1990-01-01), Chu
Dwyer John
Karim Khalid
Rawlence David J.
Breneman R. Bruce
Unilever Patent Holdings B.V.
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