Patents Represented by Attorney J. L. Byoriuk
  • Patent number: 4959288
    Abstract: A photoconductive imaging member comprised of a photogenerating layer, and a charge transport layer comprised of diaryl biarylylamine copolymers of the formula ##STR1## wherein A and B are independently selected from bifunctional linkages; Z is alkylenedioxy, arylenedioxy, or substituted derivatives thereof; R and R' are alkyl, aryl, substituted alkyl, substituted aryl, alkoxy, or halogen; x and y are mole fractions wherein x and y are greater than 0 and the sum of x and y is equal to 1.0; a and b are the numbers 0, 1 or 2; and n represents the number of monomer segments.
    Type: Grant
    Filed: April 3, 1989
    Date of Patent: September 25, 1990
    Assignee: Xerox Corporation
    Inventors: Beng S. Ong, Barkev Keoshkerian, Giuseppa Baranyi, Dasarao K. Murti
  • Patent number: 4925701
    Abstract: A process for the preparation of continuous polycrystalline diamond films which comprises applying to a substrate diamond powder in an amount of from about one particle per ten square microns to about 10 particles per square micron with an average particle diameter of from about 0.1 to about 0.4 micron; heating the resulting powdered substrate subsequent to incorporation in a processing apparatus; introducing a mixture of gases into the chamber, which gases provide a supply of carbon and hydrogen; and decomposing the gas mixture.
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: May 15, 1990
    Assignee: Xerox Corporation
    Inventors: Frank Jansen, Mary A. Machonkin
  • Patent number: 4814253
    Abstract: Disclosed is an encapsulated toner composition comprised of (1) domains containing a polymer component having dispersed therein a release composition; and thereover (2) a host resin component comprised of toner resin particles and pigment particles.
    Type: Grant
    Filed: October 29, 1987
    Date of Patent: March 21, 1989
    Assignee: Xerox Corporation
    Inventors: Robert J. Gruber, Raymond A. Yourd, III, Shadi L. Malhotra, John G. Vandusen