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:
Dec. 11, 2012
Filed:
Jan. 02, 2009
Bandi Parthasaradhi Reddy, Hyderabad, IN;
Kura Rathnakar Reddy, Hyderabad, IN;
Rapolu Raji Reddy, Hyderabad, IN;
Dasari Muralidhara Reddy, Hyderabad, IN;
Thungathurthy Srinivasa Rao, Hyderabad, IN;
Bandi Parthasaradhi Reddy, Hyderabad, IN;
Kura Rathnakar Reddy, Hyderabad, IN;
Rapolu Raji Reddy, Hyderabad, IN;
Dasari Muralidhara Reddy, Hyderabad, IN;
Thungathurthy Srinivasa Rao, Hyderabad, IN;
Hetero Research Foundation, , IN;
Abstract
The present invention provides a novel crystalline form of sunitinib malate, process for its preparation and to pharmaceutical composition containing it. The present invention also provides a process for preparation of sunitinib malate crystal form I. Thus, for example, sunitinib malate was added to water, the mixture was heated to 80 deg C. to obtain a clear solution and stirred for 30 minutes at 80 deg C., slowly cooled to room temperature and the solution was subjected to freeze drying at about −90 deg C. for 8 hours to give sunitinib malate crystalline form III.