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:
Jun. 17, 2025
Filed:
Jan. 27, 2020
Evonik Operations Gmbh, Essen, DE;
Ludger Lautenschuetz, Hanau, DE;
Nadine Duerr, Alsbach, DE;
Achim Fischer, Goldbach, DE;
Manuel Weber-Stockbauer, Hohenau, DE;
Oliver Yair Gutierrez-Tinoco, Richland, WA (US);
Ricardo Bermejo Deval, Munich, DE;
Johannes A. Lercher, Ottobrunn, DE;
Evonik Operations GmbH, Essen, DE;
Abstract
A catalyst may include a support and from 5 to 20 wt.-% of a promoter, based on the total weight of the catalyst, wherein the support may include titanium dioxide, zirconium dioxide, and/or a mixture thereof, and the promoter may be an alkali metal oxide. Processes for preparing such catalysts may include impregnating a support of titanium dioxide and/or zirconium dioxide with an aqueous solution including a preferably soluble alkali compound and calcining. Alkyl mercaptans may be prepared in the presence of such catalysts or catalysts obtained by such processes.