Patents by Inventor David N. Prugh

David N. Prugh 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).

  • Receivers and their use in thermal imaging
    Patent number: 6407037
    Abstract: A receiver element for use in a thermal imaging process, wherein a surface of a pigment-image receiving layer of the receiver element has a roughness, and the surface is brought into contact with a thermally imageable element, wherein the pigment-image receiving layer provided on the receiver element has an average roughness (Ra) of less than about 1&mgr; and has surface irregularities having a plurality of peaks, at least about 50 of the peaks having a height of at least about 200 nm and a diameter of about 100 pixels over a surface area of about 458&mgr; by about 602&mgr;. These roughened receiver elements substantially reduce the micro-dropouts.
    Type: Grant
    Filed: September 22, 2000
    Date of Patent: June 18, 2002
    Assignee: E. I. duPont de Nemours And Company
    Inventors: David N. Prugh, Jeffrey Jude Patricia, Harvey Walter Taylor, Jr.