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:
Apr. 23, 2013
Filed:
Dec. 20, 2005
Werner Bonrath, Freiburg, DE;
Frederik Menges, Glienicke, DE;
Thomas Netscher, Bad Krozingen, DE;
Andreas Pfaltz, Binningen, CH;
Bettina Wustenberg, Basel, CH;
Werner Bonrath, Freiburg, DE;
Frederik Menges, Glienicke, DE;
Thomas Netscher, Bad Krozingen, DE;
Andreas Pfaltz, Binningen, CH;
Bettina Wustenberg, Basel, CH;
DSM IP Assets B.V., Heerlen, NL;
Abstract
The invention relates to the (stereoselective) hydrogenation of carbon-carbon double bonds in compounds having at least one such bond, e.g., isoprenoids, non-cyclic sesquiterpenes, tocomonoenols, tocodienols, tocotrienols or derivatives thereof, as well as to the (stereoselective) hydrogenation of parts/extracts of plant oils containing such tocotrienols or derivatives thereof, in the presence of a chiral Ir complex as the catalyst, whereby preferably one stereoisomer is manufactured in an excess.