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. 21, 2009
Filed:
Sep. 19, 2006
Applicants:
Vinod Kumar Kansal, Haryana, IN;
Brijnath P. Chaurasia, Uttar Pradesh, IN;
Anand Prakash Tiwari, Uttar Pradesh, IN;
Inventors:
Vinod Kumar Kansal, Haryana, IN;
Brijnath P. Chaurasia, Uttar Pradesh, IN;
Anand Prakash Tiwari, Uttar Pradesh, IN;
Assignee:
Teva Pharmaceutical Industries Ltd., Patah Tiqva, IL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 261/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention encompasses the synthesis of (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid, (S)-Pregabalin, via the intermediate, (3R)-5-methyl-3-(2-oxo-2{[(1R)-1-phenylethyl]amino}ethyl)hexanoic acid.
Kansal, Vinod. (2009). Chiral 3-carbamoylmethyl-5-methyl hexanoic acids, key intermediates for the synthesis of (s)-pregabalin (U.S. Patent No. 7563923). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7563923
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile