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:
May. 03, 2011
Filed:
Apr. 12, 2006
Applicants:
Werner Bonrath, Freiburg, DE;
Reinhard Karge, Staufen, DE;
Felix Roessler, Kaiseraugst, CH;
Inventors:
Assignee:
DSM IP Assets B.V., Heerlen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 235/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for the manufacture of cyclic thio esters (thiolactones) and related compounds by hydrogenation of cyclic thioanhydrides in the presence of metal catalysts.