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:
Jan. 28, 2003
Filed:
Feb. 28, 2001
Applicant:
Inventors:
Sorin Bercovici, Kiriat Ono, IL;
Yuval Evron, Lower Galilee, IL;
Osvaldo Fuxman, Haifa, IL;
Mirela Jakoel, Kiriat Motzkin, IL;
Sbar Sasson, Rehovot, IL;
Konstantin Ulanenko, Natania, IL;
Assignee:
Taro Pharmaceutical Industries, Ltd., Hawthorne, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 3/135 ; C07D / ;
U.S. Cl.
CPC ...
A61K 3/135 ; C07D / ;
Abstract
An improved procedure for the purification of warfarin acid. Sodium, potassium and lithium warfarin salts and the corresponding clathrates are prepared in high, pharnacopeial grade purity and good yields from the pure warfarin acid and the respective metal salt bases in suitable media.