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:
Dec. 24, 2019
Filed:
Nov. 09, 2017
Applicant:
Apotex Inc., Toronto, CA;
Inventors:
Jenny L. Gerster, Brantford, CA;
Katherine A. Rantanen, Burlington, CA;
Allan W. Rey, Brantford, CA;
Assignee:
Apotex Inc., Toronto, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 249/12 (2006.01); C07D 213/82 (2006.01);
U.S. Cl.
CPC ...
C07D 249/12 (2013.01); C07D 213/82 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present invention provides novel crystalline forms of Lesinurad, pharmaceutical compositions including these crystalline forms, and their use in the treatment of hyperuricemia associated with gout. Specific crystalline forms provided by the present invention include Lesinurad Forms APO-I, a hemi-methanolate, APO-II, a hemi-ethanolate, and APO-III, a co-crystal of Lesinurad and nicotinamide.