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. 03, 2017
Filed:
Jun. 28, 2013
Applicant:
Kern Pharma, S.l., Terrassa, ES;
Inventors:
Nicolas Tesson, L'hospitalet de Llobregat, ES;
Montserrat Trilla Castaño, Barcelona, ES;
Assignee:
KERN PHARMA, S.L., Terrassa, ES;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/43 (2006.01); C07C 229/04 (2006.01); C07C 63/331 (2006.01); C07C 59/64 (2006.01); C07D 239/62 (2006.01); C07D 239/34 (2006.01); C07C 51/41 (2006.01);
U.S. Cl.
CPC ...
C07D 239/62 (2013.01); C07C 51/412 (2013.01); C07C 51/43 (2013.01); C07C 59/64 (2013.01); C07C 63/331 (2013.01); C07C 229/04 (2013.01); C07D 239/34 (2013.01);
Abstract
A cocrystal of (S)-2-hydroxy-3-methoxy-3,3-diphenylpropanoic acid and an amino acid, in particular L-valine or L-2-aminobutyric acid, their preparation processes, as well as the preparation process of Ambrisentan or Darusentan using any of the cocrystals of the invention.