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. 19, 2008
Filed:
Dec. 27, 2006
Ashok Kumar, Maharashtra, IN;
Suneel Yeshwant Dike, Maharashtra, IN;
Avinash Manohar Nijasure, Maharashtra, IN;
Vijaya Bhaware, Maharashtra, IN;
Ashok Kumar, Maharashtra, IN;
Suneel Yeshwant Dike, Maharashtra, IN;
Avinash Manohar Nijasure, Maharashtra, IN;
Vijaya Bhaware, Maharashtra, IN;
IPCA Laboratories Ltd., Mumbai, IN;
Abstract
The preset invention relates to a cost effective, high yielding, reproducible method for the manufacture of alendronic acid or its salt, such as sodium alendronate, from inexpensive and readily available pyrrolidone using phosphonating agents such as PClin the presence of acids such as sulphonic acids, sulphuric acid or phosphoric acid, and pharmaceutical dosage forms of alendronic acid or pharmaceutically acceptable salts thereof.