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:
Apr. 26, 2005
Filed:
Oct. 31, 2002
Christoph Rüdinger, Starnberg, DE;
Harald Herbert Voit, Reischach, DE;
Hans-jürgen Eberle, München, DE;
Christoph Rüdinger, Starnberg, DE;
Harald Herbert Voit, Reischach, DE;
Hans-Jürgen Eberle, München, DE;
Consortium für elektrochemische Industrie GmbH, Munich, DE;
Abstract
A process for preparing saturated carboxylic acids having from one to four carbon atoms by gas-phase oxidation, includes reacting 2-butanone with oxygen over a coated catalyst which is an inert nonporous support body and a catalytically active mixed oxide composition comprising (a) one or more oxides selected from the group consisting of titanium dioxide, zirconium dioxide, tin dioxide and aluminum oxide, and (b) from 0.1% to 1.5% by weight, based on the weight of the component (a) and per m/g of specific surface area of the component (a), of vanadium pentoxide, applied to the external surface of the support body.