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. 17, 2015
Filed:
Jul. 31, 2012
Rajendra Vishwanath Firke, Maharashtra, IN;
Ujjwal Komalsing Sisodiya, Maharashtra, IN;
Chandrakant Shriram Bhangale, Maharashtra, IN;
Radhakrishna Bhikaji Shivdavkar, Maharashtra, IN;
Himanshu Madhav Godbole, Maharashtra, IN;
Girij Pal Singh, Maharashtra, IN;
Rajendra Vishwanath Firke, Maharashtra, IN;
Ujjwal Komalsing Sisodiya, Maharashtra, IN;
Chandrakant Shriram Bhangale, Maharashtra, IN;
Radhakrishna Bhikaji Shivdavkar, Maharashtra, IN;
Himanshu Madhav Godbole, Maharashtra, IN;
Girij Pal Singh, Maharashtra, IN;
Lupin Limited, Mumbai, Maharashtra, IN;
Abstract
The present invention provides novel process for preparation of olmesartan medoxomil (I) substantially free of olmesartan acid impurity (II) comprising, reacting trityl olmesartan medoxomil (III) with acid, filtering the precipitate of trityl alcohol, subjecting the filtrate to agitated thin film drying and recovering olmesartan medoxomil (I).