Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1974-09-06
1976-07-13
Dees, Carl F.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252461, 252463, 252465, 252475, B01J 2906, B01J 2100, B01J 2308
Patent
active
039692752
ABSTRACT:
A method is provided for impregnating a water-sensitive solid containing micropores, being substantially free of pores having a diameter above 1000 A., and comprising at least one metal oxide with a water-soluble material, said micropores containing a substantially water-insoluble gas, which comprises:
REFERENCES:
patent: 2270165 (1942-01-01), Groll et al.
patent: 2746936 (1956-05-01), Plank
patent: 2782144 (1957-02-01), Pardee
patent: 2945909 (1960-07-01), Stine et al.
Langlois Gordon E.
Weber Heinz P.
Chevron Research Company
Davies R. H.
Dees Carl F.
Hagmann D. L.
Magdeburger G. F.
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