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:
Mar. 23, 2010
Filed:
Nov. 18, 2003
Applicants:
Anita Liberman, Tel-Aviv, IL;
Claude Singer, Kfar Saba, IL;
Irena Veinberg, Rehovot, IL;
Inventors:
Assignee:
Teva Pharmaceutical Industries Ltd., Petah Tiqva, IL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/4439 (2006.01); C07D 401/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a stable 2-(2-pyridylmethyl) sulfinyl-1H-benzimidazole (lansoprazole) comprising either greater than 500 ppm and not more than about 3,000 ppm water or greater than 200 ppm and not more than about 5,000 ppm alcohol, or both. The present invention provides a method of preparing a stable lansoprozole as well as a pharmaceutical composition containing same. The present invention further provides a method of purifying lansoprazole that is substantially free of sulfone and sulfide derivatives.