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:
Sep. 22, 2009
Filed:
Aug. 23, 2004
Applicants:
Hubert Redlingshöfer, Münchsteinach, DE;
Christoph Weckbecker, Gründau-Lieblos, DE;
Andreas Dörflein, Langen, DE;
Michael Rückriegel, Biebergemünd, DE;
Inventors:
Hubert Redlingshöfer, Münchsteinach, DE;
Christoph Weckbecker, Gründau-Lieblos, DE;
Andreas Dörflein, Langen, DE;
Michael Rückriegel, Biebergemünd, DE;
Assignee:
Evonik Degussa GmbH, Essen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 23/00 (2006.01); B01J 23/02 (2006.01); B01J 23/08 (2006.01); C01G 41/02 (2006.01); C01D 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to an oxidic catalyst containing cesium and tungsten for the synthesis of alkyl mercaptans from alkanols and hydrogen sulfide, and to a process for the production of this catalyst, wherein the molar ratio of cesium to tungsten is <2:1.