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
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.
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