Patents by Inventor Liang-Bih Lin

Liang-Bih Lin 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).

  • CHARGE GENERATION LAYER DOPED WITH DIHALOGEN ETHER
    Publication number: 20100230661
    Abstract: The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrostatographic, including digital, apparatuses. More particularly, the embodiments pertain to an improved electrostatographic imaging member incorporating dihalogen ether into the charge generating layer which results in increased photosensitivity of the photogenerating pigment.
    Type: Application
    Filed: March 12, 2009
    Publication date: September 16, 2010
    Applicant: XEROX CORPORATION
    Inventors: Brian P. Gilmartin, Liang-bih Lin
  • 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
  • Photoconductor containing fluoroalkyl ester charge transport layers
    Patent number: 7767372
    Abstract: A photoconductor containing a supporting substrate, a photogenerating layer, and at least one charge transport layer which contains a fluoroalkyl ester.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: August 3, 2010
    Assignee: Xerox Corporation
    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
  • Photoconductors containing fluorinated components
    Patent number: 7763405
    Abstract: A photoconductor containing a fluoroalkyl ester layer, a supporting substrate, a photogenerating layer, and at least one charge transport layer.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: July 27, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Ryan J. Ehmann, Lanhui Zhang, Lin Ma, Liang-Bih Lin, Daniel V. Levy
  • Photoconductors containing fluorogallium phthalocyanines
    Patent number: 7759031
    Abstract: A photoconductor comprising an optional supporting substrate, a fluorogallium phthalocyanine containing photogenerating layer, and at least one charge transport layer.
    Type: Grant
    Filed: May 24, 2007
    Date of Patent: July 20, 2010
    Assignee: Xerox Corporation
    Inventors: Daniel V. Levy, Liang-Bih Lin, Jin Wu
  • PROTECTIVE COATINGS FOR SOLID INKJET APPLICATIONS
    Publication number: 20100149262
    Abstract: An aperture plate coated with a composition including a first monomer, a second monomer, a fluorinated compound, such as fluorosilane, fluoroalkyl amide, fluorinated ether and the like, and a photoinitiator, where the first and second monomer are different. A process of coating an aperture plate includes applying the compositions to a base film, such as a polyimide film, and curing the compositions on the base film.
    Type: Application
    Filed: December 15, 2008
    Publication date: June 17, 2010
    Applicant: XEROX CORPORATION
    Inventors: Liang-Bih LIN, Pinyen LIN
  • Photoconductors containing halogenated binders and aminosilanes in hole blocking layer
    Patent number: 7732111
    Abstract: A photoconductor containing a supporting substrate; an undercoat layer comprised of a mixture of an aminosilane and a halogenated polymer; a photogenerating layer; and at least one charge transport layer.
    Type: Grant
    Filed: March 6, 2007
    Date of Patent: June 8, 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
  • Electrophotographic imaging member undercoat layers
    Patent number: 7732112
    Abstract: An imaging member includes a substrate; a charge generation layer positioned on the substrate; at least one charge transport layer positioned on the charge generation layer; and an undercoat layer positioned on the substrate on a side opposite the charge generation layer, the undercoat layer comprising a binder component and a metallic component comprising metal thiocyanate and metal oxide.
    Type: Grant
    Filed: July 6, 2006
    Date of Patent: June 8, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Daniel V. Levy, Liang-bih Lin
  • Silanol and perylene in photoconductors
    Patent number: 7727689
    Abstract: A photoconductor containing an optional supporting substrate, a perylene photogenerating layer, and at least one silanol containing charge transport layer.
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: June 1, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Nancy L. Belknap, Liang-Bih Lin
  • Silicone free polyester in undercoat layer of photoconductive member
    Patent number: 7722999
    Abstract: A photoconductor containing a substrate, a layer thereover, which layer contains, for example, a polyol resin, an aminoplast resin, a silicone free polyester, and a metal oxide dispersed therein; and at least one imaging layer formed on the polyol resin containing layer.
    Type: Grant
    Filed: August 1, 2006
    Date of Patent: May 25, 2010
    Assignee: Xerox Corporation
    Inventors: Daniel V. Levy, Jin Wu, Liang-Bih Lin, Francisco J. Lopez
  • Photoconductors containing photogenerating chelating components
    Patent number: 7718336
    Abstract: A photoconductor containing a supporting substrate, a photogenerating layer; and at least one charge transport layer where the photogenerating layer contains a photogenerating pigment and a chelating additive or agent of, for example, a ?-diketone, a ketoester, a hydroxyl carboxylic acid, a hydroxyl carboxylic acid ester, a keto alcohol, or an amino alcohol.
    Type: Grant
    Filed: March 6, 2007
    Date of Patent: May 18, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kent J. Evans, Dennis J. Prosser, Liang-Bih Lin, Raymond K. Crandall
  • Titanyl phthalocyanine silanol photoconductors
    Patent number: 7718332
    Abstract: A photoconductor containing an optional supporting substrate; a photogenerating layer comprised of a chelating agent and a titanyl phthalocyanine; and at least one charge transport layer comprised of at least one charge transport component, and wherein a silanol is present in at least one of said photogenerating layer and charge transport layer.
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: May 18, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Michael A. Morgan, Anthony M. Horgan, Liang-Bih Lin
  • Imaging member having porphine or porphine derivatives
    Patent number: 7718334
    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 additive of porphine or porphine derivatives to eliminate ghosting in specific conditions and improve image quality.
    Type: Grant
    Filed: March 20, 2006
    Date of Patent: May 18, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Marc J. Livecchi, James R. Backus, Liang-bih Lin
  • Titanyl phthalocyanine photoconductors
    Patent number: 7700250
    Abstract: A photoconductor containing an optional supporting substrate, a photogenerating layer thereover, and at least one charge transport layer, and wherein the photogenerating layer contains a chelating agent, and a Type V titanyl phthalocyanine prepared, for example, by dissolving a Type I titanyl phthalocyanine in a solution comprising a trihaloacetic acid and an alkylene halide; adding the mixture comprising 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.
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: April 20, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, John S. Chambers, Francisco J. Lopez, Daniel V. Levy, Liang-Bih Lin
  • Single layered photoconductors
    Patent number: 7700249
    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 hydroxygallium phthalocyanine, at least one charge transport component, and a mixture of a metal oxide and a chelating agent, where the phthalocyanine is, for example, prepared by hydrolyzing a gallium halide phthalocyanine.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: April 20, 2010
    Assignee: Xerox Corporation
    Inventors: Liang-Bih Lin, Daniel V. Levy, Jin Wu, Edward C. Savage
  • Imaging member having antistatic anticurl back coating
    Patent number: 7682763
    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 the incorporation of polyols in the anticurl back coating to reduce or eliminate static charge buildup in the imaging member and to improve image quality.
    Type: Grant
    Filed: July 24, 2006
    Date of Patent: March 23, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kathleen M. Carmichael, Edward F. Grabowski, Liang-bih Lin
  • Process for preparing organic photosensitive pigment
    Patent number: 7682762
    Abstract: Processes for making photosensitive organic pigments for use in imaging members, specifically processes for making photosensitive phthalocyanine pigments having a specific nanocrystal form. Embodiments include a copper phthalocyanine nanocrystal with good charge generation for use in the formulation of a charge generating layer and narrow particle size distribution.
    Type: Grant
    Filed: May 8, 2007
    Date of Patent: March 23, 2010
    Assignee: Xerox Corporation
    Inventors: Daniel V. Levy, Liang-bih Lin, Jin Wu
  • PHOTOCONDUCTIVE IMAGING MEMBERS
    Publication number: 20100068639
    Abstract: Exemplary embodiments provide charge generating layers and electrographic imaging members containing the charge generating layers. In various embodiments, an imaging member can be a multilayered photoconductive imaging member with a charge generating layer including, for example, a photogenerating pigment, such as a metal phthalocyanine; a dopant material, such as a multiple halide compound dopant and/or an ether dopant; and a binder or polymer. The imaging members can exhibit high photosensitivity, low residual potential (Verase), and excellent cyclic/environmental stability and can be used as photoreceptors, photosensitive members, and the like, in a machine of copy, printer, fax, scan, multifunction machines, and the like.
    Type: Application
    Filed: September 17, 2008
    Publication date: March 18, 2010
    Applicant: XEROX CORPORATION
    Inventors: Brian Gilmartin, Liang-Bih Lin
  • Single layered photoconductors
    Patent number: 7678517
    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: Grant
    Filed: April 30, 2007
    Date of Patent: March 16, 2010
    Assignee: Xerox Corporation
    Inventors: Liang-Bih Lin, Daniel V. Levy, Jin Wu, Linda L. Ferrarese
  • Phosphoric acid ester containing photoconductors
    Patent number: 7670735
    Abstract: A photoconductor containing a substrate, a layer thereover wherein the layer comprises, for example, a polyol resin, an aminoplast resin, an ester of phosphoric acid adhesion component, and a metal oxide; and at least one imaging layer of, for example, a photogenerating layer and a charge transport layer formed on the polyol resin containing layer.
    Type: Grant
    Filed: August 1, 2006
    Date of Patent: March 2, 2010
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Daniel V. Levy, Robert W. Hedrick, Liang-Bih Lin