Patents by Inventor Fuxng Tang

Fuxng Tang 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).

  • Materials and methods for the intracellular delivery of substances
    Patent number: 6169078
    Abstract: The subject invention concerns novel materials and methods for the delivery of substances into cells. In a specific embodiment substances are delivered into cells using a novel class of lipid compounds. These compounds, cationic lipid compounds having a disulfide bond, can be complexed with DNA to be inserted into a cell in gene therapy. Once inside the cell, enzymes present within the cell cleave the disulfide bond and the DNA is released.
    Type: Grant
    Filed: May 12, 1998
    Date of Patent: January 2, 2001
    Assignee: University of Florida
    Inventors: Jeffrey Allen Hughes, Fuxng Tang
  • Methods for the intracellular delivery of substances
    Patent number: 6153434
    Abstract: The subject invention concerns novel materials and methods for the delivery of substances, such as DNA or polypeptides, into cells. In a specific embodiment, substances are delivered into cells using a novel class of lipid compounds. These compounds, cationic lipid compounds having a disulfide bond, can be complexed with DNA to be inserted into a cell in gene therapy. Once inside the cell, enzymes present within the cell cleave the disulfide bond and the DNA is released.
    Type: Grant
    Filed: May 12, 1999
    Date of Patent: November 28, 2000
    Assignee: University of Florida
    Inventors: Jeffrey Allen Hughes, Fuxng Tang