Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1975-08-21
1977-06-07
Douglas, Winston A.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252431N, B01J 3112, B01J 3102
Patent
active
040282694
ABSTRACT:
A process is disclosed for the preparation of a solid bed catalyst system which comprises treating a charcoal-containing solid support with steam and a substantially inert gas at a temperature of from about 800.degree. F. to about 950.degree. F. for a period of time comprising from about 2 hours to about 6 hours, drying the treated bed and impregnating the dried charcoal-containing solid support with from about 0.001 weight percent to about 10.00 weight percent of a metal phthalocyanine compound.
REFERENCES:
patent: 3148156 (1964-09-01), Henry
patent: 3230180 (1966-01-01), Larson
Carlson David H. J.
Sobel Jay E.
Verachtert Thomas A.
Bell Mark
Douglas Winston A.
Hoatson Jr. James R.
Muller Kimbley L.
Page II William H.
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