Patents by Inventor Pao C. Vang

Pao C. Vang 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).

  • Laser thermal color donors with improved aging characteristics
    Patent number: 6855474
    Abstract: A donor element for proofing having at least a transfer material disposed on a substrate for the preparation of a digital halftone proof having consistent dot density characteristics over time. The donor element includes a transfer material having a donor binder, a cationic infrared absorbing dye, a thermally activated crosslinking agent and a dispersible material The donor element can also include a distinct, intermediate transfer layer disposed between the substrate and the transfer material. The donor element can be used in conjunction with a receptor element to provide a thermal imaging system.
    Type: Grant
    Filed: May 3, 2004
    Date of Patent: February 15, 2005
    Assignee: Kodak Polychrome Graphics LLC
    Inventors: Kevin M. Kidnie, M. Zaki Ali, Pao C. Vang