Patents by Inventor Reddy Parthasardhi

Reddy Parthasardhi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Preparation of intermediates for acetyl cholinesterase inhibitors
    Publication number: 20060041140
    Abstract: A simple, industrial process for the preparation of the intermediates of acetyl cholinesterase inhibitors is provided. Thus, for example, 5,6-dimethoxy-2-(4-pyridyl)methyl-1-indanone is hydrogenated using platinum oxide catalyst in the presence of hydrochloric acid under a pressure of 2 bars to give 4-[(5,6-dimethoxy-1-indanon)-2-yl]methylpiperidine hydrochloride, which is then converted to donepezil hydrochloride, an acetyl cholinesterase inhibitor.
    Type: Application
    Filed: July 1, 2003
    Publication date: February 23, 2006
    Applicant: HETERO DRUGS LIMITED
    Inventors: Reddy Parthasardhi, Reddy Rathnakar, Reddy Raji, Reddy Muralidhara