US Patent 7994328 Process for the preparation of donepezil hydrochloride

Patent 7994328 was granted and assigned to Aurobindo Pharma on August, 2011 by the United States Patent and Trademark Office.

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Patent

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Current Assignee

Aurobindo Pharma

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7994328

Date of Patent

August 9, 2011

Patent Application Number

11703948

Date Filed

February 8, 2007

Patent Primary Examiner

‌

Celia Chang

Patent abstract

The present invention relates to an improved process for the preparation of 1-benzyl-4-[(5,6-dimethoxy-1-indanon)-2-yl]methylpiperidine hydrochloride of Formula I.

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