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:
Dec. 15, 2015
Filed:
Jan. 21, 2013
Process for the preparation of dabigatran etexilate mesylate and polymorphs of intermediates thereof
Applicant:
Cadila Healthcare Limited, Ahmedabad, Gujarat, IM;
Inventors:
Shriprakash Dhar Dwivedi, Gujarat, IN;
Ramesh Chandra Singh, Gujarat, IN;
Jigar Mukundbhai Raval, Gujarat, IN;
Assignee:
Cadila Healthcare Limited, Ahmedabad, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 401/12 (2006.01); C07D 213/75 (2006.01);
U.S. Cl.
CPC ...
C07D 401/12 (2013.01); C07D 213/75 (2013.01); Y10T 428/2982 (2015.01);
Abstract
The present invention provides crystalline form of intermediates of Formula 2A, The present invention also provides process for the preparation of dabigatran etexilate mesylate; polymorph of intermediates thereof; particularly processes for the preparation of crystalline form of intermediates. The present invention also relates to the use of crystalline intermediates for the preparation of dabigatran etexilate mesylate.