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. 24, 2007
Filed:
May. 08, 2000
Mahesh Vithalbhai Patel, Aurangabad, IN;
Shivkumar Agarwal, Aurangabad, IN;
Sreenivas Kandepu, Guntur-Dist., IN;
Nitin Shetty, Kalyan, IN;
Dilip Jatashankar Upadhyay, Kalyan, IN;
Nishith Chandra Chaturvedi, Aurangabad, IN;
Abraham Thomas, Aurangabad, IN;
Noel John DE Souza, Mumbai, IN;
Habil Fakhruddin Khorakiwala, Mumbai, IN;
Mahesh Vithalbhai Patel, Aurangabad, IN;
Shivkumar Agarwal, Aurangabad, IN;
Sreenivas Kandepu, Guntur-Dist., IN;
Nitin Shetty, Kalyan, IN;
Dilip Jatashankar Upadhyay, Kalyan, IN;
Nishith Chandra Chaturvedi, Aurangabad, IN;
Abraham Thomas, Aurangabad, IN;
Noel John De Souza, Mumbai, IN;
Habil Fakhruddin Khorakiwala, Mumbai, IN;
Wockhardt Limited, Mumbai, IN;
Abstract
The present invention relates to optically pure S-(−)-benzoquinolizine carboxylic acids, their derivatives, salts, pseudopolymorphs, polymorphs and hydrates thereof, substantially free of their R-(+)-isomers, to processes for preparation of the optically pure S-(−)-benzoquinolizine carboxylic acids, their derivatives, salts, pseudopolymorphs, polymorphs and hydrates thereof substantially free of their R-(+)-isomers, and to pharmaceutical compositions comprising the S(−)-benzoquinolizine carboxylic acids, their derivatives, salts, pseudopolymorphs, polymorphs and hydrates thereof.