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. 03, 2015
Filed:
Jun. 24, 2011
Applicants:
Andreas Hotter, Kundl, AT;
Ulrich Griesser, Innsbruck, AT;
Verena Adamer, Innsbruck, AT;
Christoph Langes, Innsbruck, AT;
Inventors:
Andreas Hotter, Kundl, AT;
Ulrich Griesser, Innsbruck, AT;
Verena Adamer, Innsbruck, AT;
Christoph Langes, Innsbruck, AT;
Assignee:
Sandoz AG, Basel, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 277/00 (2006.01); A61K 31/425 (2006.01); C07D 277/56 (2006.01);
U.S. Cl.
CPC ...
C07D 277/56 (2013.01);
Abstract
The present invention relates to crystalline form I of Febuxostat as well as to pharmaceutical compositions comprising crystalline form I as an active pharmaceutical ingredient. Furthermore the present invention relates to a further polymorphic form of Febuxostat designated as form II and to a novel solvate of Febuxostat. The present invention also relates to methods of making crystalline form I, form II and the novel solvate of Febuxostat.