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:
Jul. 08, 2014
Filed:
Jun. 10, 2009
Applicants:
Dominic DE Souza, Kundl, AT;
Martin Albert, Kundl, AT;
Hubert Sturm, Kundl, AT;
Inventors:
Assignee:
Sandoz AG, Basel, CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 233/05 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for the purification of crude bimatoprost to obtain pure bimatoprost comprising a chromatography, preferably a chromatography using an achiral stationary phase and an eluent comprising an alcohol and an apolar solvent; and crystallization of the product obtained the chromatography to obtain pure bimatoprost.