Patents by Inventor Veda L. Evans

Veda L. Evans 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).

  • Black pigment compositions, thick film black pigment compositions, conductive single layer thick film compositions, and black and conductive electrodes formed therefrom
    Patent number: 7931746
    Abstract: The present invention is directed to pigment compositions with the formula BiwMnxCoyCuzO40, wherein w is between 7 and 9, x is between 3 and 13, y is between 2 and 13, z is between 0.5 and 7 and the sum of w, x, y and z is 26. The invention also is directed to thick film black pigment compositions, conductive single layer thick film compositions, black electrodes made from such black conductive compositions and methods of forming such electrodes, and to the uses of such compositions, electrodes, and methods in flat panel display applications, including alternating-current plasma display panel devices (AC PDP).
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: April 26, 2011
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Jerome David Smith, Pedro A. Jimenez, Tony Jackson, Veda L. Evans
  • BLACK PIGMENT COMPOSITIONS, THICK FILM BLACK PIGMENT COMPOSITIONS, CONDUCTIVE SINGLE LAYER THICK FILM COMPOSITIONS, AND BLACK AND CONDUCTIVE ELECTRODES FORMED THEREFROM
    Publication number: 20100230646
    Abstract: The present invention is directed to pigment compositions with the formula BiwMnxCOyCuzO40, wherein w is between 7 and 9, x is between 3 and 13, y is between 2 and 13, z is between 0.5 and 7 and the sum of w, x, y and z is 26. The invention also is directed to thick film black pigment compositions, conductive single layer thick film compositions, black electrodes made from such black conductive compositions and methods of forming such electrodes, and to the uses of such compositions, electrodes, and methods in flat panel display applications, including alternating-current plasma display panel devices (AC PDP).
    Type: Application
    Filed: May 20, 2010
    Publication date: September 16, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Jerome David Smith, Pedro A. Jimenez, Tony Jackson, Veda L. Evans