Patents by Inventor Charles N. Durfor

Charles N. Durfor 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).

  • Interaction system comprising a surfactant-stabilized disperse aqueous phase containing an antibody or antibody fragment
    Patent number: 5641865
    Abstract: An interaction system, including an antibody or, antibody fragment having functional capability, which comprises a surfactant-stabilized microheterogeneous dispersion of aqueous phase in a water-immiscible medium, said aqueous phase containing an amount of said antibody or said fragment in a functional state sufficient to effect the interaction; and methods for making and for using said system.
    Type: Grant
    Filed: January 28, 1994
    Date of Patent: June 24, 1997
    Assignee: IGEN, Inc.
    Inventors: Charles N. Durfor, Richard J. Bolin, Allen R. Schantz, II, Richard J. Massey
  • Interaction system comprising a surfactant-stabilized aqueous phase containing an antibody fragment
    Patent number: 5314642
    Abstract: An interaction system, including an antibody or, antibody fragment having functional capability, which comprises a surfactant-stabilized microheterogeneous dispersion of aqueous phase in a water-immiscible medium, said aqueous phase containing an amount of said antibody or said fragment in a functional state sufficient to effect the interaction; and methods for making and for using said system.
    Type: Grant
    Filed: August 31, 1992
    Date of Patent: May 24, 1994
    Assignee: IGEN, Inc.
    Inventors: Charles N. Durfor, Richard J. Bolin, Allen R. Schantz, II, Richard J. Massey
  • Flavin cofactor modified electrodes and methods of synthesis and use
    Patent number: 4797181
    Abstract: An electrochemically coupled cofactor modified electrode for mediating the heterogeneous or homogeneous catalysis of a biochemical reaction by an enzyme. The electrode coating comprises mercapto-flavin derivative bonded to the electrode surface. Methods for preparation and use of the modified electrode are also presented.
    Type: Grant
    Filed: August 3, 1987
    Date of Patent: January 10, 1989
    Assignee: GTE Laboratories Incorporated
    Inventors: Charles N. Durfor, Mark L. Bowers, Barbara A. Yenser
  • Covalently coupled cofactor modified electrodes and methods of synthesis and use
    Patent number: 4704193
    Abstract: An electrically and covalently coupled cofactor modified electrode for mediating the heterogeneous or homogeneous catalysis of a biochemical reaction by an enzyme. The electrode coating comprises an imidazoleflavin derivative covalently bonded to the electrode surface. Methods for preparation and use of the modified electrode are also presented.
    Type: Grant
    Filed: May 14, 1986
    Date of Patent: November 3, 1987
    Assignee: GTE Laboratories Incorporated
    Inventors: Mark L. Bowers, Mark A. Druy, Charles N. Durfor, H. Gilbert Smith, Sukant K. Tripathy, Barbara A. Yenser