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:
Oct. 13, 2015
Filed:
Jul. 13, 2011
Applicants:
Josep Salaet Ferré, Barcelona, ES;
Francisco Marquillas Olondriz, Barcelona, ES;
Inventors:
Josep Salaet Ferré, Barcelona, ES;
Francisco Marquillas Olondriz, Barcelona, ES;
Assignee:
INTERQUIM, S.A., Sant Cugat del Valles, ES;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 7/00 (2006.01); C30B 7/08 (2006.01); C07D 277/56 (2006.01); C30B 29/54 (2006.01);
U.S. Cl.
CPC ...
C30B 7/08 (2013.01); C07D 277/56 (2013.01); C30B 29/54 (2013.01);
Abstract
The invention relates to a novel process for preparing the crystalline from A of febuxostat by crystallization in a solvent selected from ethyl acetate, isopropyl acetate or ethyl formiate.