Patents by Inventor Phalgun Joshi

Phalgun Joshi 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).

  • Polyanionic polymers which enhance fusogenicity
    Patent number: 6986902
    Abstract: The present invention relates generally to the amphiphilic polyelectrolyte, poly(2-ethylacrylic acid) and covalently bonded lipids to generate Lipo-PEAA. These Lipo-PEAA are then used to make pH-sensitive liposomes which become unstable, permeable or fusogenic with certain pH changes. In addition, this invention generally describes methods for delivering therapeutic compounds and drugs to target cells by administering to a host the pH-sensitive liposomes of the present invention.
    Type: Grant
    Filed: April 27, 1999
    Date of Patent: January 17, 2006
    Assignee: Inex Pharmaceuticals Corporation
    Inventors: Tao Chen, Yuehua He, Peter Cullis, Thomas Madden, Peter Scherrer, David Tirrell, Phalgun Joshi, Jung Soo Kim