Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1979-06-01
1981-04-28
Gantz, Delbert E.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252440, 252455R, 252455Z, 423118, 423328, 423329, B01J 2724, B01J 2702, B01J 2906, C01B 3326
Patent
active
042644747
ABSTRACT:
This invention relates to hydrothermal treatment of silica-alumina cogels resulting in a reduction in the NH.sub.4 content of the gel and the generation of a beta crystal phase and the employent of such gels as cracking catalysts.
REFERENCES:
patent: 3346512 (1967-10-01), Gladrow
patent: 3423332 (1969-01-01), Maher et al.
patent: 3437604 (1969-04-01), Michalko
patent: 3536604 (1970-10-01), Jaffe
patent: 3551509 (1970-12-01), Thomas et al.
patent: 4085069 (1978-04-01), Alafandi et al.
patent: 4139493 (1979-02-01), Mickelson
patent: 4142995 (1979-03-01), Alafandi et al.
Alafandi Hamid
Stamires Dennis
Filtrol Corporation
Gantz Delbert E.
Kriegel Bernard
Subkow Philip
Wright William G.
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