Patents by Inventor Nancy L. Belknap

Nancy L. Belknap 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).

  • Silanol containing perylene photoconductors
    Publication number: 20080057425
    Abstract: A photoconductor containing an optional supporting substrate, a perylene silanol photogenerating layer, and at least one charge transport layer.
    Type: Application
    Filed: August 30, 2006
    Publication date: March 6, 2008
    Inventors: Jin Wu, Nancy L. Belknap, Liang-Bih Lin
  • Photoconductive imaging members
    Patent number: 7314694
    Abstract: An imaging member comprised of a hole blocking layer, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer is comprised of a metal alkyoxide, an amino siloxane, and at least one polymer binder containing epoxy groups.
    Type: Grant
    Filed: March 31, 2005
    Date of Patent: January 1, 2008
    Assignee: Xerox Corporation
    Inventors: Yuhua Tong, Nancy L. Belknap, John F. Yanus, Jin Wu
  • Imaging members
    Patent number: 7297458
    Abstract: A photoconductive member containing a supporting substrate, a photogenerating layer, and a charge transport layer and wherein the photogenerating layer comprises a photogenerating component, and an electron transport component.
    Type: Grant
    Filed: June 29, 2004
    Date of Patent: November 20, 2007
    Assignee: Xerox Corporation
    Inventors: Nancy L. Belknap, Andronique Ioannidis, Cindy C. Chen, Lanhui Zhang, James M. Duff, John F. Graham, Timothy P. Bender
  • Imaging members
    Patent number: 7223507
    Abstract: A photoconductive imaging member comprised of a supporting substrate, and thereover a single layer comprised of a mixture of a photogenerator component, charge transport components, and a certain electron transport component, and a certain polymer binder.
    Type: Grant
    Filed: April 4, 2003
    Date of Patent: May 29, 2007
    Assignee: Xerox Corporation
    Inventors: Andronique Ioannidis, Nancy L. Belknap, Cindy C. Chen, Lanhui Zhang, Timothy P. Bender, John F. Graham, Ah-Mee Hor, James M. Duff
  • Imaging members
    Patent number: 7163771
    Abstract: A photoconductive member containing a supporting substrate; a photogenerating layer comprised of a photogenerating component, a hole transport component, an electron transport component, and a polymer binder; and a charge transport layer comprised of a charge transport component, an electron transport component and a polymer binder.
    Type: Grant
    Filed: June 29, 2004
    Date of Patent: January 16, 2007
    Assignee: Xerox Corporation
    Inventors: Andronique Ioannidis, Zoran D. Popovic, Nancy L. Belknap, John F. Graham, Cindy C. Chen, Peter A. Veneman
  • Reversibly color changing undercoat layer for electrophotographic photoreceptors
    Patent number: 7125634
    Abstract: An imaging member includes an electroconductive support containing an electroconductive layer thereon; thereover a first layer comprising a metal alkyloxide, an amino siloxane, and a color change material dispersed in a binder; wherein the color change material is a material that reversibly changes color in the presence of a Lewis base and which color change is reversible upon exposure to light; and a charge generating layer and a charge transport layer.
    Type: Grant
    Filed: March 15, 2004
    Date of Patent: October 24, 2006
    Assignee: Xerox Corporation
    Inventors: Yuhua Tong, John F. Yanus, Jin Wu, John J. Wilbert, Nancy L Belknap, Linda L. Ferrarese
  • Electrophotographic imaging members
    Patent number: 7115345
    Abstract: According to the present invention is an electrophotographic imaging member which is a thin dual layer structure comprising a top layer of a durable and wear-resistant layer and a bottom layer which is bipolar. The electrophotographic imaging member of the invention may be top surface charge generating or bottom surface charge generating and in either case has an overall negative charging mode of operation.
    Type: Grant
    Filed: February 17, 2004
    Date of Patent: October 3, 2006
    Assignee: Xerox Corporation
    Inventors: Andronique Ioannidis, Timothy J. Fuller, Nancy L. Belknap, Markus R. Silvestri, Cindy C. Chen, Timothy P. Bender, John F. Graham, James M. Duff, Kenny-Tuan T. Dinh, John F. Yanus, James M. Markovics, Lanhui Zhang
  • Imaging members
    Patent number: 7070892
    Abstract: A photoconductive imaging member containing a supporting substrate, and thereover a single layer comprised of a photogenerator component, a charge transport component, an electron transport component, and a polymer binder.
    Type: Grant
    Filed: January 27, 2004
    Date of Patent: July 4, 2006
    Assignee: Xerox Corporation
    Inventors: Timothy P. Bender, John F. Graham, James M. Duff, Andronique Ioannidis, Nancy L. Belknap
  • Photoconductive imaging members
    Patent number: 6858363
    Abstract: A photoconductive imaging member comprised of a supporting substrate, a hole blocking layer thereover, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer is comprised of a metallic component and an electron transport component.
    Type: Grant
    Filed: April 4, 2003
    Date of Patent: February 22, 2005
    Assignee: Xerox Corporation
    Inventors: Nancy L. Belknap, Cindy C. Chen, Lanhui Zhang, Andronique Ioannidis, James M. Duff, John F. Graham, Timothy P. Bender
  • Imaging members
    Publication number: 20040197685
    Abstract: A photoconductive imaging member comprised of a supporting substrate, and thereover a single layer comprised of a mixture of a photogenerator component, charge transport components, and a certain electron transport component, and a certain polymer binder.
    Type: Application
    Filed: April 4, 2003
    Publication date: October 7, 2004
    Applicant: Xerox Corporation
    Inventors: Andronique loannidis, Nancy L. Belknap, Cindy C. Chen, Lanhui Zhang, Timothy P. Bender, John F. Graham, Ah-Mee Hor, James M. Duff
  • Photoconductive imaging members
    Publication number: 20040197686
    Abstract: A photoconductive imaging member comprised of a supporting substrate, a hole blocking layer thereover, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer is comprised of a metallic component and an electron transport component.
    Type: Application
    Filed: April 4, 2003
    Publication date: October 7, 2004
    Applicant: Xerox Corporation
    Inventors: Nancy L. Belknap, Cindy C. Chen, Lanhui Zhang, Andronique Ioannidis, James M. Duff, John F. Graham, Timothy P. Bender