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:
Aug. 26, 2008
Filed:
Apr. 05, 2005
Applicants:
Andrew Gnanaprakasam, Chennai, IN;
Udayampalayam Palanisamy Senthilkumar, Erode dist, IN;
Gaddam OM Reddy, Chennai, IN;
Inventors:
Andrew Gnanaprakasam, Chennai, IN;
Udayampalayam Palanisamy Senthilkumar, Erode dist, IN;
Gaddam Om Reddy, Chennai, IN;
Assignee:
Orchid Chemicals & Pharmaceuticals Limited, Chennai, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 499/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
An improved process for the purification of tazobactam or its derivatives of the formula (I) wherein R represents hydrogen, C-Calkyl, p-methoxybenzyl, o-nitrobenzyl, p-nitrobenzyl, o-chlorobenzyl, benzyl or diphenylmethyl, which comprises the steps of: