Patents by Inventor Rao Ramchandra

Rao Ramchandra 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 ester of purine derivatives
    Publication number: 20070225305
    Abstract: A process for the preparation of valganciclovir with triacetyl ganciclovir (V) as a starting material, comprising the following steps: selective hydrolysis, reacting with a coupling agent and a solvent, followed by hydrolysis under basic conditions and hydrogenolysis in the presence of a catalyst.
    Type: Application
    Filed: March 20, 2007
    Publication date: September 27, 2007
    Inventors: Rao Ramchandra, Kankan Narayanrao, Pande Purushottam