Patents by Inventor Jean D. Van Epps

Jean D. Van Epps 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).

  • Phenol polysulfide hole blocking layer photoconductors
    Patent number: 8071267
    Abstract: A photoconductor that includes, for example, a substrate, an optional ground plane layer, an undercoat layer thereover wherein the undercoat layer contains an aminosilane and a phenol polysulfide, a photogenerating layer, and at least one charge transport layer.
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: December 6, 2011
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kathleen M Carmichael, J. Robinson Cowdery-Corvan, David M Skinner, Jean D Van Epps, Jr., Richard A Williams
  • Phosphonate containing photoconductors
    Patent number: 8053151
    Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein the photogenerating layer contains a suitable phosphonate.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: November 8, 2011
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Markus R Silvestri, J. Robinson Cowdery-Corvan, David M Skinner, Jean D Van Epps, Jr.
  • Hydroxyquinoline containing photoconductors
    Patent number: 7989129
    Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer that contains at least one charge transport component, and where the photogenerating layer contains a hydroxyquinoline.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: August 2, 2011
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Dennis J Prosser, J. Robinson Cowdery-Corvan, Raymond K Crandall, David M Skinner, Jean D Van Epps, Jr.
  • PHENOL POLYSULFIDE HOLE BLOCKING LAYER PHOTOCONDUCTORS
    Publication number: 20100279215
    Abstract: A photoconductor that includes, for example, a substrate, an optional ground plane layer, an undercoat layer thereover wherein the undercoat layer contains an aminosilane and a phenol polysulfide, a photogenerating layer, and at least one charge transport layer.
    Type: Application
    Filed: April 29, 2009
    Publication date: November 4, 2010
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Kathleen M. Carmichael, J. Robinson Cowdery-Corvan, David M. Skinner, Jean D. Van Epps, JR., Richard A. Williams
  • PHOSPHONATE CONTAINING PHOTOCONDUCTORS
    Publication number: 20090325091
    Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein the photogenerating layer contains a suitable phosphonate.
    Type: Application
    Filed: June 30, 2008
    Publication date: December 31, 2009
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Markus R. Silvestri, J. Robinson Cowdery-Corvan, David M. Skinner, Jean D. Van Epps, JR.
  • HYDROXYQUINOLINE CONTAINING PHOTOCONDUCTORS
    Publication number: 20090246662
    Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer that contains at least one charge transport component, and where the photogenerating layer contains a hydroxyquinoline.
    Type: Application
    Filed: March 31, 2008
    Publication date: October 1, 2009
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Dennis J. Prosser, J. Robinson Cowdery-Corvan, Raymond K. Crandall, David M. Skinner, Jean D. Van Epps, JR.
  • One-piece bottom edge wipe sponge for cleaning a photoreceptor drum
    Patent number: 7279050
    Abstract: A one-piece sponge cleans and removes coating material from the bottom edge, inside and outside surface of a photoreceptor drum. The one-piece sponge has an inner sponge section and an outer sponge section, both with internal channels to remove solvent and dissolved coating material.
    Type: Grant
    Filed: July 16, 2003
    Date of Patent: October 9, 2007
    Assignee: Xerox Corporation
    Inventors: Jean D. Van Epps, Jr., Michael J. Duggan, James R. Lee, Steven D. Bush
  • One-piece bottom edge wipe sponge for cleaning a photoreceptor drum
    Publication number: 20040078908
    Abstract: A one-piece sponge cleans and removes coating material from the bottom edge, inside and outside surface of a photoreceptor drum. The one-piece sponge has an inner sponge section and an outer sponge section, both with internal channels to remove solvent and dissolved coating material.
    Type: Application
    Filed: July 16, 2003
    Publication date: April 29, 2004
    Applicant: Xerox Corporation
    Inventors: Jean D. Van Epps, Michael J. Duggan, James R. Lee, Steven D. Bush