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:
Feb. 21, 2017
Filed:
Feb. 14, 2014
Applicant:
Laurus Labs Private Limited, Hyderabad, IN;
Inventors:
Suresh Thatipally, Hyderabad, IN;
Venkata Lakshmi Narasimha Rao Dammalapati, Hyderabad, IN;
Seeta Ramanjaneyulu Gorantla, Hyderabad, IN;
Satyanarayana Chava, Hyderabad, IN;
Assignee:
LAURUS LABS PRIVATE LTD., Hyderabad, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/47 (2006.01); C07D 215/56 (2006.01); C07D 215/48 (2006.01); C07C 227/14 (2006.01); C07C 227/18 (2006.01); C07C 229/30 (2006.01);
U.S. Cl.
CPC ...
C07D 215/56 (2013.01); A61K 31/47 (2013.01); C07C 227/14 (2013.01); C07C 227/18 (2013.01); C07C 229/30 (2013.01); C07D 215/48 (2013.01);
Abstract
The present invention provides novel intermediates of ivacaftor and process for its preparation. The present invention also provides process for the preparation of ivacaftor and pharmaceutically acceptable salt thereof using novel intermediates.