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:
Aug. 18, 2009
Filed:
Feb. 06, 2008
Applicants:
Jan-olaf Barth, Frankfurt, DE;
Hubert Redlingshöfer, Münchsteinach, DE;
Christoph Weckbecker, Gründau-Lieblos, DE;
Klaus Huthmacher, Gelnhausen, DE;
Inventors:
Jan-Olaf Barth, Frankfurt, DE;
Hubert Redlingshöfer, Münchsteinach, DE;
Christoph Weckbecker, Gründau-Lieblos, DE;
Klaus Huthmacher, Gelnhausen, DE;
Assignee:
Evonik Degussa GmbH, Essen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 319/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for continuously preparing methyl mercaptan by reacting a reactant mixture which contains a dialkyl sulphide and a dialkyl polysulphide with hydrogen sulphide to give methyl mercaptan.