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).

  • Polyphenyl ether and thiophosphate containing photoconductors
    Patent number: 7452643
    Abstract: An imaging member containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer of at least one charge transport component, at least one polyphenyl ether of the formula wherein R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen, alkyl, aryl, alkoxy, substituted alkyl, substituted aryl, substituted alkoxy, and halogen, and n is a number of from about 1 to about 10; and wherein a thiophosphate is contained in the photogenerating layer.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: November 18, 2008
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Michael S. Roetker, Kent J. Evans, Geoffrey M T. Foley, Anthony M. Horgan, Yonn K. Rasmussen, Satchidanand Mishra, Edward F. Grabowski, Liang-Bih Lin, Markus R. Silvestri
  • Process for preparing organic photosensitive pigment
    Publication number: 20080280223
    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: Application
    Filed: May 8, 2007
    Publication date: November 13, 2008
    Applicant: XEROX CORPORATION
    Inventors: Daniel V. Levy, Liang-bih Lin, Jin Wu
  • Photoconductors
    Publication number: 20080274419
    Abstract: A photoconductor containing 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 photogenerating pigment or pigments, and a bis(pyridyl)alkylene.
    Type: Application
    Filed: May 4, 2007
    Publication date: November 6, 2008
    Inventors: Liang-Bih Lin, Daniel V. Levy, Jin Wu, Sherri A. Colon
  • Photoconductors
    Publication number: 20080274418
    Abstract: A photoconductor containing a supporting substrate, a photogenerating layer, and at least one charge transport layer of at least one charge transport component, and wherein the charge transport layer contains a charge blocking agent, such as a benzoimidazole.
    Type: Application
    Filed: May 4, 2007
    Publication date: November 6, 2008
    Inventors: Liang-Bih Lin, Daniel V. Levy, Jin Wu, Marc J. Livecchi
  • Ether and thiophosphate containing photoconductors
    Patent number: 7445876
    Abstract: An imaging member containing an optional supporting substrate, a photogenerating layer and at least one charge transport layer of at least one charge transport component, at least one C-ether of the formula wherein R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen, alkyl, aryl, alkoxy, substituted alkyl, substituted aryl, substituted alkoxy, and halogen, and the sum of n plus m (n+m) is from about 1 to about 10, and an optional antioxidant; and wherein a thiophosphate is contained in the photogenerating layer.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: November 4, 2008
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kenny-Tuan Dinh, Kathleen M. Carmichael, Michael S. Roetker, Kent J. Evans, Geoffrey M T. Foley, Anthony M. Horgan, Yonn K. Rasmussen, Satchidanand Mishra, Edward F. Grabowski, Liang-Bih Lin, Markus R. Silvestri
  • Silanol containing photoconductors
    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
  • Single layered photoconductors
    Publication number: 20080268360
    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: Application
    Filed: April 30, 2007
    Publication date: October 30, 2008
    Inventors: Liang-Bih Lin, Daniel V. Levy, Jin Wu, Edward C. Savage
  • Single layered photoconductors
    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
  • Single layered photoconductors
    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
  • Anticurl backside coating (ACBC) photoconductors
    Publication number: 20080241720
    Abstract: A photoconductor that contains a first layer, a supporting substrate thereover, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein the first layer is in contact with the supporting substrate on the reverse side thereof, and which first layer includes a polymer and needle shaped particles with an aspect ratio of from 2 to about 200.
    Type: Application
    Filed: March 29, 2007
    Publication date: October 2, 2008
    Inventors: Jin Wu, Daniel V. Levy, Liang-Bih Lin, Lin Ma, Ryan J. Ehmann
  • Photoconductors containing fluorinated components
    Publication number: 20080233501
    Abstract: A photoconductor containing a fluoroalkyl ester layer, a supporting substrate, a photogenerating layer, and at least one charge transport layer.
    Type: Application
    Filed: March 23, 2007
    Publication date: September 25, 2008
    Inventors: Jin Wu, Ryan J. Ehmann, Lanhui Zhang, Lin Ma, Liang-Bih Lin, Daniel V. Levy
  • Photoconductor fluorinated charge transport layers
    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
  • Photoreceptor layer having polyether lubricants
    Patent number: 7427440
    Abstract: An imaging member containing a substrate, and an outer layer containing a polyether lubricant, and an image forming apparatus for forming images on a recording medium including the imaging member above, a development component to apply a developer material to said charge-retentive surface to develop said electrostatic latent image to form a developed image on said charge-retentive surface; a transfer component for transferring said developed image from said charge-retentive surface to another member or a copy substrate; and a fusing member to fuse said developed image to said copy substrate.
    Type: Grant
    Filed: July 28, 2005
    Date of Patent: September 23, 2008
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Geoffrey M T. Foley, Liang-Bih Lin, Edward C. Savage, Robert P. Altavela, Marc J. Livecchi
  • Photoreceptor layer having rhodamine additive
    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
  • Photoconductors containing halogenated binders and aminosilanes
    Publication number: 20080220349
    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: Application
    Filed: March 6, 2007
    Publication date: September 11, 2008
    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
  • Photoconductors containing chelating components
    Publication number: 20080220352
    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.
    Type: Application
    Filed: March 6, 2007
    Publication date: September 11, 2008
    Inventors: Jin Wu, Kent J. Evans, Dennis J. Prosser, Liang-Bih Lin, Raymond K. Crandall
  • Hole blocking layer containing photoconductors
    Publication number: 20080220350
    Abstract: A photoconductor containing a substrate; an undercoat layer thereover wherein the undercoat layer includes an electroconducting component dispersed in a rapid curing polymer matrix; a photogenerating layer, and at least one charge transport layer.
    Type: Application
    Filed: March 6, 2007
    Publication date: September 11, 2008
    Inventors: Jin Wu, Dennis J. Prosser, Satchidanand Mishra, Liang-Bih Lin, Daniel V. Levy, Lin Ma
  • Photoconductors containing photogenerating chelating components
    Publication number: 20080220351
    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: Application
    Filed: March 6, 2007
    Publication date: September 11, 2008
    Inventors: Jin Wu, Kent J. Evans, Dennis J. Prosser, Liang-Bih Lin, Raymond K. Crandall
  • Imaging member having polyvinylidene chloride barrier polymer resins
    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
  • Imaging member having antistatic anticurl back coating
    Patent number: 7419750
    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 esters of phosphoric acid 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: September 2, 2008
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kathleen M. Carmichael, Edward F. Grabowski, Liang-bih Lin