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:
Oct. 04, 2011
Filed:
Jan. 03, 2007
Srinivas Laxminarayan Pathi, Karnataka, IN;
Vinod Acharya, Gujarat, IN;
Dharmaraj Ramachandra Rao, Maharashtra, IN;
Rajendra Narayanrao Kankan, Maharashtra, IN;
Srinivas Laxminarayan Pathi, Karnataka, IN;
Vinod Acharya, Gujarat, IN;
Dharmaraj Ramachandra Rao, Maharashtra, IN;
Rajendra Narayanrao Kankan, Maharashtra, IN;
Cipla Limited, Mumbai, IN;
Abstract
The invention relates to new compounds of formula (III): wherein R is a C-Clinear or branched alkyl group. The invention also relates to new compounds of formula (IV) wherein M is a metal. The invention also relates to methods of making compounds of formulas (III) and (IV) and to methods of making donepezil and pharmaceutically acceptable salts thereof, such as donepezil hydrochloride, using the compounds.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile