Patents by Inventor Alan J Toth

Alan J Toth 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).

  • Patent number: 4882254
    Abstract: A layered photoresponsive imaging member comprised of a supporting substrate; a photogenerator layer comprised of a mixture of first and second pigments; and an aryl amine hole transport layer, said mixture comprised of perylenes and phthalocyanines; polycyclic quinones and phthalocyanines; and perinones and phthalocyanines.
    Type: Grant
    Filed: July 5, 1988
    Date of Patent: November 21, 1989
    Assignee: Xerox Corporation
    Inventors: Rafik O. Loutfy, Ah-Mee Hor, George Liebermann, Alan J Toth, Cheng-Kuo Hsiao, Kathleen M. Carmichael, Emery G. Tokoli