Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1975-04-08
1976-08-10
Dees, Carl F.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252455R, B01J 3702, B01J 2906
Patent
active
039740994
ABSTRACT:
An amorphous hydrocarbon cracking catalyst of high activity is prepared by mixing solutions of sodium silicate and sodium aluminate, allowing the gel and age, acidulating said gel to precipitate the excess aluminate and ion exchanging after drying to accomplish removal of the alkali metal.
REFERENCES:
patent: 2844523 (1958-07-01), Veltman et al.
patent: 2872410 (1959-02-01), Erickson
patent: 3003951 (1961-10-01), Winyall
patent: 3124541 (1964-03-01), Wilson, Jr. et al.
patent: 3433748 (1969-03-01), Magee, Jr. et al.
Albers Edwin Wolf
Lussier Roger Jean
Magee, Jr. John Storey
Surland George John
Dees Carl F.
Nigon Joseph P.
W. R. Grace & Co.
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