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. 28, 2017
Filed:
Jan. 06, 2014
Ranbaxy Laboratories Limited, New Delhi, Delhi, IN;
Sun Pharmaceutical Industries Limited, Mumbai, IN;
Abstract
The present invention relates to pure crystalline Form II of an L-malic acid salt of sunitinib and a process for its preparation. The invention further provides crystalline Form II of an L-malic acid salt of sunitinib having a purity of at least 97.0%. The invention also provides crystalline Form II of an L-malic acid salt of sunitinib substantially free of an anti-oxidant. The invention also provides crystalline Form II of L-malic acid salt of sunitinib which remains chemically pure on storage at 25° C.±2° C. and 40° C.±2° C. at a relative humidity of 60%±5% and 75%±5%, respectively, for at least 1 month.