Patents by Inventor Jay W. Johns

Jay W. Johns 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).

  • Electrophotographic imaging system comprising charge transporting aromatic amine compound and protonic acid or Lewis acid
    Patent number: 4725518
    Abstract: A process for preparing an electrophotographic imaging member comprising providing a photogenerating layer on a supporting substrate and applying a charge transport layer forming mixture to the photogenerating layer, the charge transport layer forming mixture comprising a charge transporting aromatic amine compound of one or more compounds having the general formula: ##STR1## wherein R.sup.1 and R.sup.2 are an aromatic group selected from the group consisting of a substituted or unsubstituted phenyl group, naphthyl group, and polyphenyl group and R.sup.
    Type: Grant
    Filed: May 15, 1984
    Date of Patent: February 16, 1988
    Assignee: Xerox Corporation
    Inventors: Kathleen M. Carmichael, Frederick D. Gonyea, Edward F. Grabowski, Anthony M. Horgan, Jay W. Johns, Robert N. Jones, Anita P. Lynch, Susan Robinette, Donald P. Sullivan, Emery G. Tokoli