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:
Feb. 21, 2006
Filed:
Aug. 02, 2002
Applicants:
Yatendra Kumar, Haryana, IN;
OM Dutt Tyagi, Haryana, IN;
Nitin Maheshwari, Delhi, IN;
Inventors:
Assignee:
Ranbaxy Laboratories Limited, New Delhi, IN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 211/72 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a simple and efficient process for the preparation of amorphous form of torsemide. The process includes recovering amorphous torsemide from a solution thereof in a suitable solvent comprising alcohols, ketones, chlorinated hydrocarbons, esters, nitriles, cyclic ethers, and mixtures thereof, by spray drying.