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:
Oct. 16, 2012
Filed:
May. 07, 2008
Applicants:
Rajendra Narayanrao Kankan, Maharashtra, IN;
Dharmaraj Ramachandra Rao, Maharashtra, IN;
Srinivas Laxminarayan Pathi, Karnataka, IN;
Ravikumar Puppala, Karnataka, IN;
Inventors:
Rajendra Narayanrao Kankan, Maharashtra, IN;
Dharmaraj Ramachandra Rao, Maharashtra, IN;
Srinivas Laxminarayan Pathi, Karnataka, IN;
Ravikumar Puppala, Karnataka, IN;
Assignee:
CIPLA Limited, Mumbai, IN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 257/00 (2006.01); C07D 257/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An N-[(2'-(1-triphenyl methyl tetrazole-5-yl)biphenyl]-4-yl]methyl]-L-valine benzyl ester organic salt of formula (IVA) wherein A represents an organic carboxylic acid, a process for its preparation and its use in the synthesis of valsartan or salts thereof.