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. 26, 2019
Filed:
Jul. 15, 2016
Applicant:
Laurus Labs Private Limited, Hyderabad, IN;
Inventors:
Kameswar R. Chivukula, Hyderabad, IN;
Venkata R. Murthy, Hyderabad, IN;
Venkata S. Indukuri, Hyderabad, IN;
Seeta R. Gorantla, Hyderabad, IN;
Assignee:
Laurus Labs Ltd., Hyderabad, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 493/04 (2006.01); C07C 303/38 (2006.01);
U.S. Cl.
CPC ...
C07D 493/04 (2013.01); C07C 303/38 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present invention provides a process for the preparation of darunavir or solvates or a pharmaceutically acceptable salt thereof substantially free of bisfuranyl impurities, particularly darunavir propionate solvate. The present invention also provides a process for preparation amorphous darunavir using the darunavir propionate solvate.