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:
Jan. 08, 2013
Filed:
Oct. 10, 2006
Applicants:
Srinivas Laxminarayan Pathi, Karnataka, IN;
Shashi Rekha Kanathala, Maharashtra, IN;
Manish Gopaldas Gangrade, Maharashtra, IN;
Rajendra Narayanrao Kankan, Maharashtra, IN;
Dharmaraj Ramachandra Rao, Maharashtra, IN;
Inventors:
Srinivas Laxminarayan Pathi, Karnataka, IN;
Shashi Rekha Kanathala, Maharashtra, IN;
Manish Gopaldas Gangrade, Maharashtra, IN;
Rajendra Narayanrao Kankan, Maharashtra, IN;
Dharmaraj Ramachandra Rao, Maharashtra, IN;
Assignee:
Cipla Limited, Mumbai, IN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/4745 (2006.01); C07D 491/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a novel crystalline form of topotecan hydrochloride, and methods of making the same. The characteristic XRPD pattern and FT-IT patterns are shown in FIGS.and