Patents by Inventor Kathleen M. Carmichael

Kathleen M. Carmichael 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).

  • Carbon nanotube filled polycarbonate anti-curl back coating with improved electrical and mechanical properties
    Patent number: 8859667
    Abstract: Transparent or semi-transparent, electrically conductive anti-curl back coating composite for electrophotographic imaging member comprising a carbon nanotube complex and a polycarbonate binder are described along with processes for preparing them.
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: October 14, 2014
    Assignee: Xerox Corporation
    Inventors: Edward F. Grabowski, Kock-Yee Law, Markus R. Silvestri, Donald J. Goodman, Dale S. Renfer, Ryan J. Ehmann, Kathleen M. Carmichael, Scott J. Griffin, Jonathan H. Herko, Michael S. Roetker
  • Low friction electrostatographic imaging member
    Patent number: 8263301
    Abstract: Present embodiments pertain to an improved electrostatographic imaging member having low contact friction surfaces to ease sliding mechanical interaction and suppressing abrasion/wear failure and methods of preparing thereof. The improved imaging member has layers comprising one or two low surface energy polymeric materials that enhance the physical and mechanical functions and reduce the layers surface contact friction of the imaging member to extend service life.
    Type: Grant
    Filed: June 14, 2011
    Date of Patent: September 11, 2012
    Assignee: Xerox Corporation
    Inventors: Robert C. U. Yu, Stephen T. Avery, Kathleen M. Carmichael
  • Low friction electrostatographic imaging member
    Patent number: 8232032
    Abstract: Present embodiments pertain to an improved electrostatographic imaging member having low contact friction surfaces to ease sliding mechanical interaction and suppressing abrasion/wear failure and methods of preparing thereof. The improved imaging member has layers comprising one or two low surface energy polymeric materials that enhance the physical and mechanical functions and reduce the layers surface contact friction of the imaging member to extend service life.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: July 31, 2012
    Assignee: Xerox Corporation
    Inventors: Robert C. U. Yu, Edward F. Grabowski, Kathleen M. Carmichael, Stephen T. Avery, Satish Parikh
  • Photoconductors and processes thereof
    Patent number: 8098925
    Abstract: The presently disclosed embodiments relate in general to electrophotographic imaging members, such as layered photoreceptor structures, and processes for making and using the same. More particularly, the embodiments pertain to an improved photoreceptor that exhibits little to no response to injected charges and demonstrates excellent ghosting properties.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: January 17, 2012
    Assignee: Xerox Corporation
    Inventors: Markus R. Silvestri, Jin Wu, M. John Hinckel, David M. Skinner, Kent J. Evans, Robert J. Meyer, Kathleen M. Carmichael, Dale S. Renfer
  • 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
  • Boron containing hole blocking layer photoconductor
    Patent number: 8053152
    Abstract: A photoconductor that includes a supporting substrate, a ground plane layer, a hole blocking layer, a photogenerating layer, and at least one charge transport layer, and where the hole blocking layer includes a boron containing compound.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: November 8, 2011
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Dennis J Prosser, Kathleen M Carmichael, Sherri A Toates, Kent J Evans, Edward F Grabowski
  • LOW FRICTION ELECTROSTATOGRAPHIC IMAGING MEMBER
    Publication number: 20110255904
    Abstract: Present embodiments pertain to an improved electrostatographic imaging member having low contact friction surfaces to ease sliding mechanical interaction and suppressing abrasion/wear failure and methods of preparing thereof. The improved imaging member has layers comprising one or two low surface energy polymeric materials that enhance the physical and mechanical functions and reduce the layers surface contact friction of the imaging member to extend service life.
    Type: Application
    Filed: June 14, 2011
    Publication date: October 20, 2011
    Applicant: XEROX CORPORATION
    Inventors: Robert C. U. Yu, Stephen T. Avery, Kathleen M. Carmichael
  • Low friction electrostatographic imaging member
    Patent number: 7998646
    Abstract: Present embodiments pertain to an improved electrostatographic imaging member having low contact friction surfaces to ease sliding mechanical interaction and suppressing abrasion/wear failure and methods of preparing thereof. The improved imaging member has layers comprising one or two low surface energy polymeric materials that enhance the physical and mechanical functions and reduce the layers surface contact friction of the imaging member to extend service life.
    Type: Grant
    Filed: April 7, 2008
    Date of Patent: August 16, 2011
    Assignee: Xerox Corporation
    Inventors: Robert C. U. Yu, Stephen T. Avery, Kathleen M. Carmichael
  • Carbazole containing charge transport layer photoconductors
    Patent number: 7989127
    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 charge transport layer contains a carbazole.
    Type: Grant
    Filed: April 30, 2008
    Date of Patent: August 2, 2011
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Terry L Street, Terry L Bluhm, Kent J Evans, Edward F Grabowski, Susan M Vandusen, Min-Hong Fu, Kathleen M Carmichael
  • LOW FRICTION ELECTROSTATOGRAPHIC IMAGING MEMBER
    Publication number: 20110176831
    Abstract: Present embodiments pertain to an improved electrostatographic imaging member having low contact friction surfaces to ease sliding mechanical interaction and suppressing abrasion/wear failure and methods of preparing thereof. The improved imaging member has layers comprising one or two low surface energy polymeric materials that enhance the physical and mechanical functions and reduce the layers surface contact friction of the imaging member to extend service life.
    Type: Application
    Filed: March 29, 2011
    Publication date: July 21, 2011
    Applicant: XEROX CORPORATION
    Inventors: Robert C. U. Yu, Edward F. Grabowski, Kathleen M. Carmichael, Stephen T. Avery, Satish Parikh
  • Low friction electrostatographic imaging member
    Patent number: 7943278
    Abstract: Present embodiments pertain to an improved electrostatographic imaging member having low contact friction surfaces to ease sliding mechanical interaction and suppressing abrasion/wear failure and methods of preparing thereof. The improved imaging member has layers comprising one or two low surface energy polymeric materials that enhance the physical and mechanical functions and reduce the layers surface contact friction of the imaging member to extend service life.
    Type: Grant
    Filed: April 7, 2008
    Date of Patent: May 17, 2011
    Assignee: Xerox Corporation
    Inventors: Robert C. U. Yu, Edward F. Grabowski, Kathleen M. Carmichael, Stephen T. Avery, Satish Parikh
  • Pyrazine containing charge transport layer photoconductors
    Patent number: 7923185
    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 charge transport layer contains a pyrazine.
    Type: Grant
    Filed: April 30, 2008
    Date of Patent: April 12, 2011
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Terry L Street, Terry L Bluhm, Kent J Evans, Edward F Grabowski, Susan M Vandusen, Min-Hong Fu, Kathleen M Carmichael
  • Thiophosphate containing photoconductors
    Patent number: 7851112
    Abstract: A photoconductor containing an optional supporting substrate, a thiophosphate containing photogenerating layer, and a charge transport layer which includes a polyhedral oligomeric silsesquioxane (POSS)-containing material and an optional thiophosphate.
    Type: Grant
    Filed: November 28, 2006
    Date of Patent: December 14, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Michael S. Roetker, Liang-Bih Lin
  • 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
  • Polyhedral oligomeric silsesquioxane thiophosphate containing photoconductors
    Patent number: 7799494
    Abstract: A photoconductor containing an optional supporting substrate, a photogenerating layer, and a charge transport layer which includes a mixture of a polyhedral oligomeric silsesquioxane (POSS)-containing material and a thiophosphate.
    Type: Grant
    Filed: November 28, 2006
    Date of Patent: September 21, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Michael S. Roetker, Liang-Bih Lin
  • BORON CONTAINING HOLE BLOCKING LAYER PHOTOCONDUCTOR
    Publication number: 20100221649
    Abstract: A photoconductor that includes a supporting substrate, a ground plane layer, a hole blocking layer, a photogenerating layer, and at least one charge transport layer, and where the hole blocking layer includes a boron containing compound.
    Type: Application
    Filed: February 27, 2009
    Publication date: September 2, 2010
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Dennis J. Prosser, Kathleen M. Carmichael, Sherri A. Toates, Kent J. Evans, Edward F. Grabowski
  • Overcoated photoconductors with thiophosphate containing photogenerating layer
    Patent number: 7785757
    Abstract: A photoconductor containing a thiophosphate photogenerating layer, and at least one charge transport layer, and a top polymeric overcoating layer in contact with and contiguous to a charge transport layer.
    Type: Grant
    Filed: November 7, 2006
    Date of Patent: August 31, 2010
    Assignee: Xerox Corporation
    Inventors: John F Yanus, Jin Wu, Kenny-Tuan Dinh, Michael A. Morgan, Anthony M. Horgan, Kathleen M. Carmichael
  • Thiadiazole containing charge transport layer photoconductors
    Patent number: 7785759
    Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer containing at least one charge transport component, and wherein the charge transport layer also contains a thiadiazole.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: August 31, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Terry L Street, Terry L Bluhm, Kent J Evans, Edward F Grabowski, Susan M Vandusen, Min-Hong Fu, Kathleen M Carmichael
  • Overcoated photoconductors with thiophosphate containing charge transport layers
    Patent number: 7785756
    Abstract: A photoconductor containing an optional supporting substrate, a containing photogenerating layer, at least one thiophosphate containing charge transport layer, and a top overcoating crosslinked polymer layer in contact with and contiguous to the charge transport layer.
    Type: Grant
    Filed: November 7, 2006
    Date of Patent: August 31, 2010
    Assignee: Xerox Corporation
    Inventors: John F. Yanus, Jin Wu, Kenny-Tuan Dinh, Michael A. Morgan, Anthony M. Horgan, Kathleen M. Carmichael
  • Photoconductors containing halogenated binders
    Patent number: 7776498
    Abstract: A photoconductor containing a supporting substrate, a photogenerating layer, and at least one charge transport layer; and wherein the photogenerating layer is comprised of at least one photogenerating pigment and a resin binder that is substantially insoluble in an alkylene halide like methylene chloride.
    Type: Grant
    Filed: November 7, 2006
    Date of Patent: August 17, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Satchidanand Mishra, Geoffrey M T. Foley, Anthony M. Horgan, Yonn K. Rasmussen, Michael A. Morgan, Kathleen M. Carmichael, Edward F. Grabowski, Liang-Bih Lin