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. 14, 2017
Filed:
Aug. 14, 2013
Shilpa Medicare Limited, Raichur, IN;
Vimal Kumar Shrawat, Raichur, IN;
Prashant Purohit, Raichur, IN;
Rafiuddin Dr., Raichur, IN;
Vinod Kumar Singh, Raichur, IN;
Akshay Kant Chaturvedi, Raichur, IN;
SHILPA MEDICARE LIMITED, Karnataka, unknown;
Abstract
The present invention provides process for preparation of Crystalline Erlotinib HCl (I) Form-SE characterized by X-ray powder diffraction pattern comprising at least 5 characteristic 2θ° peaks selected from the XRPD peak set of 5.60, 10.00, 11.40, 13.00, 13.50, 15.20, 18.40, 20.65, 21.86, 23.5, 31.80, 32.13, 32.80, 34.40±0.20 2θ°, DSC isotherm comprising the endothermic peaks ranging between 213 to 217° C. (Peak −1) and 225 to 235° C. (Peak −2) and IR absorption characteristic peaks at approximately 3278 cm, 1948 cm, 1871 cm, 1632 cm, 1164 cm, 1024 cm, 940 cmand 742 cmuseful as active pharmaceutical ingredient in pharmaceutical compositions for the treatment cancer.