Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1981-05-06
1983-04-12
Gantz, Delbert E.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252439, B01J 3700, B01J 2702
Patent
active
043797563
ABSTRACT:
A process for reactivating supported catalysts which contain palladium, copper and tellurium and which are used for the acyloxylation of unsubstituted or substituted butadiene to give butenediol esters, wherein the supported catalysts are heated at from 200.degree. to 900.degree. C. in the presence of a gas which is inert under these treatment conditions.
REFERENCES:
patent: 3578608 (1971-05-01), Aykan
Fischer Rolf
Weitz Hans-Martin
BASF - Aktiengesellschaft
Gantz Delbert E.
Shurtleff John H.
Wright William G.
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