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:
Mar. 24, 2009
Filed:
Feb. 08, 2005
Heiko Urtel, Edingen-Neckarhausen, DE;
Markus Rösch, Dienheim, DE;
Andrea Haunert, Mannheim, DE;
Markus Schubert, Ludwigshafen, DE;
Heiko Urtel, Edingen-Neckarhausen, DE;
Markus Rösch, Dienheim, DE;
Andrea Haunert, Mannheim, DE;
Markus Schubert, Ludwigshafen, DE;
BASF AG, Ludwigshafen, DE;
Abstract
The present invention relates to a process for preparing optically active hydroxy-, alkoxy-, amino-, alkyl-, aryl- or chlorine-substituted alcohols or hydroxy carboxylic acids having from 3 to 25 carbon atoms or their acid derivatives or cyclization products by hydrogenating the correspondingly substituted optically active mono- or dicarboxylic acids or their acid derivatives in the presence of a catalyst whose active component consists of rhenium or of rhenium and comprises at least one further element having an atomic number of from 22 to 83, with the provisos that