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:
Jul. 26, 2005
Filed:
Jun. 09, 2003
Applicants:
Hans-christian Militzer, Odenthal, DE;
Boris Bosch, Köln, DE;
Markus Eckert, Shanghai, CN;
Benjamin Meseguer, Tarragona, ES;
Inventors:
Hans-Christian Militzer, Odenthal, DE;
Boris Bosch, Köln, DE;
Markus Eckert, Shanghai, CN;
Benjamin Meseguer, Tarragona, ES;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D225/00 ; C07D295/00 ; C07D211/60 ; C07D207/00 ; C07C255/00 ; C07C069/76 ; C07C051/16 ; C07C051/255 ; C07C233/00 ; C07C235/00 ;
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for preparing stereoisomerically enriched 4-aryl-4-hydroxybutanoic acid derivatives by reducing 4-aryl-4-ketobutanoic acid derivatives in the presence of ruthenium-containing catalysts.
Militzer, Hans-Christian. (2005). Process for stereoselectively reducing 4-aryl-4-oxobutanoic acid derivatives (U.S. Patent No. 6921822). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6921822
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile