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:
Sep. 14, 2005
Applicants:
Werner Bonrath, Freiburg, DE;
Thomas Kircher, Visp, CH;
Rolf Kuenzi, Basel, CH;
Johannes Tschumi, Baltschieder, CH;
Inventors:
Werner Bonrath, Freiburg, DE;
Thomas Kircher, Visp, CH;
Rolf Kuenzi, Basel, CH;
Johannes Tschumi, Baltschieder, CH;
Assignee:
DSM IP Assets B.V., Heerlen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
Saturated aliphatic ketones, e.g. hexahydropseudoionone, may be prepared by hydrogenating an olefinically unsaturated ketone, e.g. pseudoionone in a continuous fixed-bed mode in the absence of a solvent in the presence of a catalyst comprising a noble metal deposited on a carrier.