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:
Sep. 13, 2016
Filed:
Jul. 18, 2013
Applicant:
Fresenius Kabi Oncology Limited, New Delhi, IN;
Inventors:
Saswata Lahiri, Gurgaon, IN;
Nitin Gupta, Gurgaon, IN;
Hemant Kumar Singh, Gurgaon, IN;
Nilendu Panda, Gurgaon, IN;
Vishal Handa, Gurgaon, IN;
Azim Abul, Gurgaon, IN;
Chandan Kumar Gupta, Gurgaon, IN;
Sunil Sanghani, Gurgaon, IN;
Ghanashyam Madhukar Sonavane, Gurgaon, IN;
Assignee:
FRESENIUS KABI ONCOLOGY LIMITED, New Delhi, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 475/08 (2006.01); C07C 67/343 (2006.01);
U.S. Cl.
CPC ...
C07D 475/08 (2013.01); C07C 67/343 (2013.01);
Abstract
An improved process for the preparation of Pralatrexate which is less hazardous. The invention further relates to novel intermediates and process thereof useful for the preparation of Pralatrexate. The present invention also relates to a substantially pure Pralatrexate and a process for obtaining the same in high yield.