Patents by Inventor Stefan Franzen, legal representative

Stefan Franzen, legal representative 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).

  • Nanoparticle delivery vehicle
    Patent number: 7332586
    Abstract: A nanoparticle delivery vehicle, comprising a nanoparticle, an active agent and a nuclear localization signal and methods of modulating gene expression and protein expression employing the nanoparticle delivery vehicle. A representative method includes providing a nanoparticle delivery vehicle comprising a nanoparticle having a diameter of about 30 nm or less, an active agent and a nuclear localization signal; and contacting a target cell with the nanoparticle delivery vehicle, whereby an active agent is delivered to the nucleus of a target cell. Another representative method includes providing a nanoparticle delivery vehicle comprising a nanoparticle having a diameter greater than or equal to about 30 nm, an active agent and a nuclear localization signal; and contacting a target cell with the nanoparticle delivery vehicle, whereby an active agent is delivered to the cytoplasm of a cell.
    Type: Grant
    Filed: July 10, 2002
    Date of Patent: February 19, 2008
    Assignee: North Carolina State University
    Inventors: Stefan Franzen, Daniel L. Feldheim, Alexander G. Tkachenko, Marisha L. Godek, Joseph A. Ryan, Stefan Franzen, legal representative, Miles F. Anderson