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. 18, 2014
Filed:
Jan. 21, 2011
Applicants:
Anton Frenkel, Netanya, IL;
Eduard Gurevich, Tikva, IL;
Avital Laxer, Tikva, IL;
Inventors:
Assignee:
Teva Pharmaceutical Industries, Ltd., Petach-Tikva, IL;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 215/00 (2006.01); A01N 43/42 (2006.01); A61K 31/47 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a process for the preparation of laquinimod sodium which removes the impurities after the salt formation step, thus resulting in crystals of higher purity as well as crystals having improved crystalline characteristics.