Patents by Inventor Yau T. Chen

Yau T. Chen 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).

  • Xerographic photoconductors with cross-linked epoxy binder
    Patent number: 4490452
    Abstract: An aggregate-type xerographic photoconductor wherein primary or secondary amines are used not only to solubilize the photoconductor's light sensitive organic dye, but also to act as a cross-linker for an epoxy binder of the bisphenol class. A combined CTL/CGL layer is described, having both hole transport and charge generating dye molecules. The resulting layer is useful either as single-layer, bimodal photoconductor, or as the CGL of a two-layer photoconductor.
    Type: Grant
    Filed: December 9, 1983
    Date of Patent: December 25, 1984
    Assignee: International Business Machines Corporation
    Inventors: Robert B. Champ, Yau T. Chen