Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1974-02-15
1976-06-29
Dees, Carl F.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
B01J 2906
Patent
active
039666433
ABSTRACT:
A novel mixed rare earth-transition metal exchanged faujasite is prepared by exchanging alkali metal faujasite with a mixture of rare earth and transition metal salts at a pH of about 3.5. The novel faujasite, which contains 0.2 to 3% transition metal and 2 to 14% rare earths, (both ranges expressed as oxides), is used as a hydrocarbon conversion catalyst or as a component in a zeolite promoted hydrocarbon conversion catayst.
REFERENCES:
patent: 3271418 (1966-09-01), Plank et al.
Maher Philip K.
Scherzer Julius
Dees Carl F.
Nigon Joseph P.
W. R. Grace & Co.
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