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.

Date of Patent:
Jul. 21, 2015

Filed:

Nov. 11, 2011
Applicants:

Jayaraman Venkat Raman, Vadodara, IN;

Samir Patel, Vadodara, IN;

Indrajit Thakor, Vadodara, IN;

Mahesh Ladani, Vadodara, IN;

Chetan Patil, Vadodara, IN;

Ronak Patel, Vadodara, IN;

Prashant Raval, Vadodara, IN;

Viral Parekh, Vadodara, IN;

Hiral Shah, Vadodara, IN;

Inventors:

Jayaraman Venkat Raman, Vadodara, IN;

Samir Patel, Vadodara, IN;

Indrajit Thakor, Vadodara, IN;

Mahesh Ladani, Vadodara, IN;

Chetan Patil, Vadodara, IN;

Ronak Patel, Vadodara, IN;

Prashant Raval, Vadodara, IN;

Viral Parekh, Vadodara, IN;

Hiral Shah, Vadodara, IN;

Assignee:

ALEMBIC PHARMACEUTICALS LIMITED, Vadodara, Gujarat, IN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 69/00 (2006.01); C07C 227/36 (2006.01); C07B 57/00 (2006.01); C07C 213/08 (2006.01); C07C 217/56 (2006.01); C07C 219/28 (2006.01); C07C 57/15 (2006.01); C07C 217/62 (2006.01);
U.S. Cl.
CPC ...
C07C 227/36 (2013.01); C07B 57/00 (2013.01); C07C 57/15 (2013.01); C07C 213/08 (2013.01); C07C 217/56 (2013.01); C07C 217/62 (2013.01); C07C 219/28 (2013.01);
Abstract

The present invention relates to an improved process for the preparation of Fesoterodine and pharmaceutically acceptable salts thereof. The present invention particularly relates to a process for the preparation of fesoterodine and pharmaceutically acceptable salts thereof which involves use and preparation of R(+)benzyl tolterodine and fumarate salt of R(+)-[4-benzyloxy-3-(3-diisopropylamino-1-phenylpropyl)-phenyl]-methanol.


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