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. 11, 2018
Filed:
Nov. 11, 2014
Applicant:
Shilpa Medicare Limited, Karnataka, IN;
Inventors:
Bhagat Raj Pipal, Raichur, IN;
Venkata Reddy Gayam, Raichur, IN;
Akshay Kant Chaturvedi, Raichur, IN;
Assignee:
Shilpa Mecicare Limited, , IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 487/00 (2006.01); C07D 487/04 (2006.01); A61K 31/519 (2006.01);
U.S. Cl.
CPC ...
C07D 487/04 (2013.01); A61K 31/519 (2013.01);
Abstract
The present invention provides process for preparing crystalline Pemetrexed dipotassium (I) Form-SP9 characterized by X-ray powder diffraction pattern comprising at least 5 characteristic 2θ° peaks selected from the XRPD peak set of 5.0, 12.5, 17.2, 20.8, 22.4, 25.7, 26.9 and 27.9±0.2 2θ°. The invention also provides process for preparing its pharmaceutical composition thereof, which may be useful for anti-cancer treatment.