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:
Mar. 29, 2016
Filed:
Aug. 29, 2013
Applicant:
Davuluri Ramamohan Rao, Hyderabad, IN;
Inventors:
Davuluri Ramamohan Rao, Hyderabad, IN;
Ponnaiah Ravi, Madurai, IN;
Bathini Guruswamy, Hyderabad, IN;
Praveen Kumar Neela, Hyderabad, IN;
Narayana Venugopala Rao, Medak, IN;
Somepalli Prasad, Hyderabad, IN;
Dongari Naresh, Nalagonda, IN;
Assignee:
Davuluri Ramamohan Rao, Hyderabad, IN;
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/506 (2006.01); C07D 239/69 (2006.01); C07D 403/04 (2006.01);
U.S. Cl.
CPC ...
C07D 239/69 (2013.01); C07B 2200/13 (2013.01);
Abstract
A process for the purification of Bosentan sodium and a novel crystalline form of substantially pure Bosentan sodium to disclosed in this invention.