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:
Nov. 27, 2018
Filed:
Jan. 06, 2016
Applicant:
Glenmark Pharmaceuticals Limited, Mumbai, IN;
Inventors:
Veerabhadra Swamy, Bangalore, IN;
Kumar Hari Bhushan, Gurgaon, IN;
Shekhar Bhaskar Bhirud, Mumbai, IN;
Dilipkumar Jibhau Patil, Nasik, IN;
Eknath Kundlik Khemnar, Ahmednagar, IN;
Assignee:
GLENMARK PHARMACEUTICALS LIMITED, Mumbai, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 37/86 (2006.01); B01J 23/44 (2006.01); C07C 37/84 (2006.01); C07C 41/18 (2006.01); C07C 41/22 (2006.01); C07C 37/00 (2006.01); C07C 41/16 (2006.01); C07C 41/26 (2006.01); C07C 41/30 (2006.01);
U.S. Cl.
CPC ...
C07C 37/86 (2013.01); B01J 23/44 (2013.01); C07C 37/00 (2013.01); C07C 37/84 (2013.01); C07C 41/16 (2013.01); C07C 41/18 (2013.01); C07C 41/22 (2013.01); C07C 41/26 (2013.01); C07B 2200/09 (2013.01); C07B 2200/13 (2013.01); C07C 41/30 (2013.01);
Abstract
The present invention relates to a process for the preparation of ospemifene and pharmaceutically acceptable salts thereof which comprises the step of recycling the undesired E-4-(4-hydroxy-1,2-diphenylbut-1-enyl)phenol to generate an isomeric mixture of Z,E-4-(4-hydroxy-1,2-diphenylbut-1-enyl)phenol.