Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1977-11-09
1979-12-18
Dees, Carl
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
208120, B01J 2906
Patent
active
041794095
ABSTRACT:
A perovskite is added to a conventional hydrocarbon cracking catalyst comprising a zeolite and an inorganic oxide gel matrix. The perovskite is present in said catalyst in an amount up to about 10 weight percent based on the total catalyst.
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patent: 3450789 (1969-06-01), Kehl et al.
patent: 3595809 (1971-07-01), Kehl
patent: 3957623 (1976-05-01), McDaniel et al.
patent: 4055513 (1977-10-01), Wheelock
Gladrow Elroy M.
Wheelock Kenneth S.
Dees Carl
Exxon Research & Engineering Co.
Gibbons Marthe L.
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