Reactivation of supported catalysts which contain palladium, cop

Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants

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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

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