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:
May. 31, 2022
Filed:
Apr. 01, 2019
Applicant:
Aurobindo Pharma Limited, Hitech, IN;
Inventors:
Praveen Kumar Neela, Hyderabad, IN;
Guruswamy Batthini, Hyderabad, IN;
Vijay Kumar Gupta Gangisetty, Hyderabad, IN;
Ravikanth Dupud, Hyderabad, IN;
Srikanth Sai Alur, Hyderabad, IN;
Sivakumaran Meenakshisunderam, Hyderabad, IN;
Assignee:
Aurobindo Pharma Ltd, Hyderabad, IN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 405/06 (2006.01); C07C 211/27 (2006.01);
U.S. Cl.
CPC ...
C07D 405/06 (2013.01); C07C 211/27 (2013.01);
Abstract
The present invention provides dibenzylamine salt of Lifitegrast (XV), and diphenylamine salt of Lifitegrast (XVI) and the use of the above salts in the purification process of Lifitegrast (I). The present invention relates to a process for the preparation of Lifitegrast (I).