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:
Mar. 24, 2015
Filed:
Feb. 01, 2013
Applicants:
Millennium Pharmaceuticals, Inc., Cambridge, MA (US);
Portola Pharmaceuticals, Inc., South San Francisco, CA (US);
Inventors:
Anjali Pandey, Fremont, CA (US);
Emilia P. T. Leitao, Lisbon, PT;
Jose Rato, Lisbon, PT;
Zhiguo Jake Song, Edison, NJ (US);
Assignees:
Millennium Pharmaceuticals, Inc., Cambridge, MA (US);
Portola Pharmaceuticals, Inc., South San Francisco, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D 213/75 (2006.01);
U.S. Cl.
CPC ...
C07D 213/75 (2013.01);
Abstract
Described herein are novel methods of preparing a compound of Formula II or a pharmaceutically acceptable salt thereof. In some embodiments, the method is for preparing betrixaban or a pharmaceutically acceptable salt thereof. Also described are compositions comprising substantially pure betrixaban free base or salt thereof.