Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1981-06-22
1982-08-24
Konopka, P. E.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
423240, 423245, B01J 2732, B01D 5334
Patent
active
043460194
ABSTRACT:
PdCl.sub.2 /C catalyst which has been deactivated in the oxidation of an olefinic halide or olefinic hydrocarbon present as contaminant in air or other inert oxygen-containing gas stream, is regenerated by prolonged exposure to air or other oxygen-containing gas stream at temperatures below 70.degree. C. and preferably below 60.degree. C.
REFERENCES:
patent: 3067002 (1962-12-01), Reid, Jr.
patent: 3150922 (1964-09-01), Ashley
patent: 3658724 (1972-04-01), Stiles
patent: 3796023 (1974-03-01), Raduly
patent: 3807138 (1974-04-01), Bellisio
patent: 4025605 (1977-05-01), Dalton, Jr. et al.
Dalton, Jr. Augustine I.
Sircar Shivaji
Air Products and Chemicals Inc.
Dannells, Jr. Richard A.
Innis E. Eugene
Konopka P. E.
Simmons James C.
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