The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 11, 1983
Filed:
Sep. 03, 1981
Dominik Dempf, Mehring, DE;
Ludwig Schmidhammer, Haiming, DE;
Gerhard Dummer, Burgkirchen, DE;
Gunter Roscher, Kelkheim, DE;
Karl-Heinz Schmidt, Idstein, DE;
Ernst Selbertinger, Marktl, DE;
Rudolf Strasser, Burghausen, DE;
Wacker-Chemie GmbH, Munich, DE;
Hoechst Aktiengesellschaft, Frankfurt, DE;
Abstract
The invention relates to a process for the manufacture of unsaturated carboxylic acid esters by the reaction of olefins or cyclo-olefins with oxygen and carboxylic acids in the gaseous phase, in the presence of a catalyst which contains elements of the subsidiary group VIII of the periodic system and/or compounds thereof, and an alkali metal acetate, at temperatures of from 100.degree. to 250.degree. C. and pressures of from 0.5 to 21 bar absolute, wherein from 1 to 8000 parts per million (by weight), calculated on the carboxylic acid used, of organic chlorine compounds are added to the reaction mixture.