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:
Apr. 18, 2007
Applicants:
Philip M. Jackson, Cambridge, GB;
Ian Campbell Lennon, Cambridge, CA;
Martin E. Fox, Royston, GB;
Inventors:
Assignees:
Dr. Reddy's Laboratories Limited, Hyderabad, IN;
Dr. Reddy's Laboratories, Inc., Bridgewater, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F 9/30 (2006.01); C07F 17/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns an enantiomerically enriched compound of formula (1) or the opposite enantiomer thereof wherein each of Ar—Arrepresent the same or different aromatic groups of up to 20 carbon atoms and the bridging group X is the formula (5) in which * denotes points of attachment to phosphorus atoms and methods of making thereof.