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. 03, 2018
Filed:
Mar. 30, 2015
Thomas Cotter, Munich, DE;
Andreas Reitzmann, Stephanskirchen, DE;
Gerhard Mestl, Munich, DE;
Gabriele Donabauer, Bruckmuehl, DE;
Susanne Roehrer, Bad Aibling, DE;
Thomas Cotter, Munich, DE;
Andreas Reitzmann, Stephanskirchen, DE;
Gerhard Mestl, Munich, DE;
Gabriele Donabauer, Bruckmuehl, DE;
Susanne Roehrer, Bad Aibling, DE;
Clariant International Ltd., Muttenz, CH;
Abstract
The present invention relates to a catalyst containing a vanadium-phosphorus oxide and an alkali metal, wherein the proportion by weight of alkali metal in the vanadium-phosphorus oxide is in the range from 10 to 400 ppm, based on the total weight of the vanadium-phosphorus oxide, a process for producing it and also the use of the catalyst for the gas-phase oxidation of hydrocarbons, in particular for preparing maleic anhydride.