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. 17, 2012
Filed:
Sep. 18, 2006
Mangesh Shivram Sawant, Mumbai, IN;
Maloyesh Mathuresh Biswas, Maharashtra, IN;
Mubeen Ahmed Khan, Maharastra, IN;
Sukumar Sinha, Maharastra, IN;
Nitin Sharad Chandra Pradhan, Thane, IN;
Mangesh Shivram Sawant, Mumbai, IN;
Maloyesh Mathuresh Biswas, Maharashtra, IN;
Mubeen Ahmed Khan, Maharastra, IN;
Sukumar Sinha, Maharastra, IN;
Nitin Sharad Chandra Pradhan, Thane, IN;
Glenmark Generics Ltd., Mumbai, IN;
Abstract
Processes for the purification of lercanidipine hydrochloride are provided which uses a binary system of an alcohol-containing solvent such as methanol and an aliphatic ester-containing solvent such as isopropyl acetate. Processes for the preparation of substantially amorphous lercanidipine hydrochloride are also provided. Also provided is lercanidipine hydrochloride substantially in polymorph form V.