Patents by Inventor Linda L. Ferrarese

Linda L. Ferrarese 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).

  • Patent number: 7670739
    Abstract: A photoconductor that includes a supporting substrate, and an active layer in contact with the substrate, and which layer contains at least one photogenerating pigment, at least one charge transport component, and a mixture of a metal oxide and a chelating agent of a tetrafluorodihydroxyanthraquinone.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: March 2, 2010
    Assignee: Xerox Corporation
    Inventors: Liang-Bih Lin, Daniel V. Levy, Jin Wu, Linda L. Ferrarese
  • Patent number: 7655373
    Abstract: A method for forming images including a) depositing an electrostatic latent image on a charge retentive surface of a photoreceptor member having a substrate; a charge transport layer with charge transport materials; and an overcoat layer positioned on the charge transport layer, wherein the overcoat layer includes a crosslinkable alcohol-soluble polyamide; and wherein the overcoat layer further includes additives having titanium dioxide, silica, a crosslinking agent, a deletion control agent, and a charge transport molecule; and b) applying a developer material via a development component to the charge-retentive surface to develop the electrostatic latent image to form a developed image on the charge-retentive surface, wherein the developer material comprises emulsion aggregation toner, and further wherein at least one of the additives create a texturized surface on the charge retentive surface thereby reducing the contact area between the emulsion aggregation toners and the charge retentive surface enabling
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: February 2, 2010
    Assignee: Xerox Corporation
    Inventors: Kenny-Tuan T. Dinh, Timothy J. Fuller, Paul J. DeFeo, Damodar M. Pai, John F. Yanus, Linda L. Ferrarese, Cindy C. Chen
  • Publication number: 20100015540
    Abstract: Embodiments pertain to a novel imaging member, namely, an imaging member or photoreceptor comprising a binderless overcoat layer which exhibits substantially improved electrical performance, such as low residual potential and good electrical cyclic stability. The overcoat layer of the present embodiments is formed from a formulation comprising a small transport molecule, a crosslinking agent, an acid catalyst and a solvent.
    Type: Application
    Filed: September 25, 2009
    Publication date: January 21, 2010
    Applicant: XEROX CORPORATION
    Inventors: Kenny-tuan T. Dinh, Edward C. Savage, Marc J. LiVecchi, Robert W. Hedrick, Linda L. Ferrarese, Sherri A. Toates, Stacy J. Kowsz
  • Publication number: 20090246665
    Abstract: A photoconductor containing a photogenerating layer, and at least one charge transport layer, and a top polymeric overcoat layer in contact with, and contiguous to the charge transport layer, and which overcoat layer includes an indium tin oxide.
    Type: Application
    Filed: March 31, 2008
    Publication date: October 1, 2009
    Applicant: Xerox Corporation
    Inventors: Jin Wu, Kenny-Tuan Dinh, John F. Yanus, Adal Tecleab, June Shujun Peng, Marc J. Livecchi, Linda L. Ferrarese, Edward C. Savage, Gary A. Batt, John J. Wilbert, Robert W. Hedrick
  • Publication number: 20090162764
    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 a nitrogen heterocyclic component such as a triazine.
    Type: Application
    Filed: December 20, 2007
    Publication date: June 25, 2009
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Linda L. Ferrarese, Marc J. Livecchi, Edward C. Savage
  • Publication number: 20090162769
    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 at least one charge transport layer contains at least one phosphine oxide.
    Type: Application
    Filed: December 20, 2007
    Publication date: June 25, 2009
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Linda L. Ferrarese, Marc J. Livecchi, John J. Wilbert
  • Patent number: 7544454
    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 a photoreceptor that incorporates a rhodamine compound that improves image quality.
    Type: Grant
    Filed: August 18, 2008
    Date of Patent: June 9, 2009
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Daniel V. Levy, Liang-bih Lin, Linda L. Ferrarese
  • Publication number: 20080311498
    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 a photoreceptor that incorporates a rhodamine compound that improves image quality.
    Type: Application
    Filed: August 18, 2008
    Publication date: December 18, 2008
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Daniel V. Levy, Liang-bih Lin, Linda L. Ferrarese
  • Publication number: 20080311497
    Abstract: A photoconductor that includes a substrate; an undercoat layer thereover wherein the undercoat layer comprises a metal oxide, an electron donor electron acceptor charge transfer complex; a photogenerating layer; and at least one charge transport layer.
    Type: Application
    Filed: June 18, 2007
    Publication date: December 18, 2008
    Applicant: Xerox Corporation
    Inventors: Jin Wu, Linda L. Ferrarese, Marc J. Livecchi, Lin Ma, John J. Wilbert, Lanhui Zhang
  • Publication number: 20080280220
    Abstract: Disclosed herein is an electrophotographic imaging member comprising a substrate, and a charge generating layer containing a phthalocyanine pigment, a binder, and a solvent. The charge generating layer has a pigment particle separation distance of 28 nm or less after evaporation of the solvent. A coating system, a method of making an electrophotographic imaging member, and a method of printing also are disclosed.
    Type: Application
    Filed: May 7, 2007
    Publication date: November 13, 2008
    Inventors: Cindy C. Chen, Lanhui Zhang, Linda L. Ferrarese, James M. Markovics, Marc J. LiVecchi, Edward C. Savage, James R. Backus
  • Publication number: 20080268356
    Abstract: A photoconductor containing an optional 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 Type V hydroxygallium phthalocyanine having incorporated therein a silanol.
    Type: Application
    Filed: April 27, 2007
    Publication date: October 30, 2008
    Inventors: Jin Wu, Francisco J. Lopez, Linda L. Ferrarese, Liang-Bih Lin
  • Publication number: 20080268359
    Abstract: A photoconductor that includes a supporting substrate, and an active layer in contact with the substrate, and which layer contains at least one photogenerating pigment, at least one charge transport component, and a mixture of a metal oxide and a chelating agent of a tetrafluorodihydroxyanthraquinone.
    Type: Application
    Filed: April 30, 2007
    Publication date: October 30, 2008
    Inventors: Liang-Bih Lin, Daniel V. Levy, Jin Wu, Linda L. Ferrarese
  • Publication number: 20080268358
    Abstract: A photoconductor that includes a supporting substrate, and an active layer in contact with the substrate, and which active layer contains a photogenerating pigment of a titanyl phthalocyanine, at least one charge transport component, and a mixture of a metal oxide and a chelating agent, where the titanyl phthalocyanine is prepared by dissolving a Type I titanyl phthalocyanine in a solution comprising a trihaloacetic acid and an alkylene halide; adding the resulting mixture of the dissolved Type I titanyl phthalocyanine to a solution comprising an alcohol and an alkylene halide thereby precipitating a Type Y titanyl phthalocyanine; and treating the Type Y titanyl phthalocyanine with a monohalobenzene to form Type V titanyl phthalocyanine.
    Type: Application
    Filed: April 30, 2007
    Publication date: October 30, 2008
    Inventors: Liang-Bih Lin, Daniel V. Levy, Jin Wu, Linda L. Ferrarese
  • Publication number: 20080233503
    Abstract: A photoconductor containing a supporting substrate, a photogenerating layer, and at least one charge transport layer which contains a fluoroalkyl ester.
    Type: Application
    Filed: March 23, 2007
    Publication date: September 25, 2008
    Inventors: Jin Wu, Steven D. Bush, Joseph A. Tumminelli, Marc J. Livecchi, Linda L. Ferrarese, Michael A. Morgan, Lanhui Zhang, Lin Ma, John J. Wilbert, Daniel V. Levy, Liang-Bih Lin
  • Patent number: 7427462
    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 a photoreceptor that incorporates a rhodamine compound that improves image quality.
    Type: Grant
    Filed: September 1, 2005
    Date of Patent: September 23, 2008
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Daniel V. Levy, Liang-bih Lin, Linda L. Ferrarese
  • Patent number: 7419752
    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 a photoreceptor additive to improve impermeability to gases and moisture so as to minimize environment variation of photoreceptor performance.
    Type: Grant
    Filed: October 24, 2005
    Date of Patent: September 2, 2008
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Linda L. Ferrarese, James R. Beckus, Liang-bih Lin
  • Patent number: 7396623
    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 a photoreceptor that incorporates a material with a high dielectric constant that improves background and print image quality.
    Type: Grant
    Filed: September 9, 2005
    Date of Patent: July 8, 2008
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Liang-bin Lin, Linda L. Ferrarese, John J. Wilbert, James R. Backus
  • Patent number: 7390601
    Abstract: A photoconductive imaging member is provided comprising a substrate, an optional hole blocking layer, a charge generation layer, and a charge transport layer. The charge generation layer includes a charge generating material and a binder, wherein the binder comprises an electron transport material chemically attached to a polymeric binder material.
    Type: Grant
    Filed: June 16, 2005
    Date of Patent: June 24, 2008
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Yuhua Tong, Linda L. Ferrarese, John J. Wilbert, Edward C. Savage, Liang-Bih Lin
  • Patent number: 7384718
    Abstract: A composition that finds particular utility in forming a charge generating layer of an imaging member includes at least one charge generating material, at least one polymer binder and at least one oxidized polyolefin polymer or copolymer. The oxidized polyolefin is able to impart a thixotropic rheology to the composition, and also is able to act as an anti-settling and anti-sagging agent in the composition.
    Type: Grant
    Filed: August 30, 2005
    Date of Patent: June 10, 2008
    Assignee: Xerox Corporation
    Inventors: Jin Wu, John J. Wilbert, Linda L. Ferrarese, Liang-bih Lin
  • Publication number: 20080008949
    Abstract: An imaging member including a substrate; an optional undercoat layer situated on the substrate; an optional adhesive layer situated on the substrate or on the optional blocking layer; a charge generation layer situated on the substrate, on the optional undercoat layer, or on the adhesive layer, the charge generation layer comprising a rylene pigment, a pigment sensitizing dopant having an electron acceptor molecule and an optional binder component; and at least one charge transport layer situated on the charge generation layer.
    Type: Application
    Filed: July 6, 2006
    Publication date: January 10, 2008
    Inventors: Jin Wu, Linda L. Ferrarese, John J. Wilbert, Liang-bih Lin