Patents by Inventor Lanhui Zhang

Lanhui Zhang 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: 8765339
    Abstract: The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital printing, apparatuses. More particularly, the embodiments pertain to an improved electrophotographic imaging member comprising a charge transport layer comprising a novel combination of a tetraaryl polycarbonate copolymer binder and perfluorinated fillers. The present charge transport layer provides reduced wear rate and long service life.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: July 1, 2014
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kenny-Tuan T. Dinh, Lanhui Zhang, Lin Ma
  • Patent number: 8716428
    Abstract: An fluorinated polyester compound is disclosed. The fluorinated polyester compound can be made by combining ingredients comprising a hydroxyl terminated polyphenyl ether; a carboxylic acid terminated perfluoropolyether; an acid catalyst; and a solvent. A coating solution comprising the fluorinated polyester compound and a method of coating a substrate therewith are also disclosed.
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: May 6, 2014
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Lanhui Zhang, Lin Ma, David W. Martin
  • Patent number: 8712304
    Abstract: The present teachings provide a fuser member. The fuser member includes a substrate layer having a polyimide polymer and a fluoro acid. A method of manufacturing a fuser member is also described.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: April 29, 2014
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Lanhui Zhang, Lin Ma, Jonathan H. Herko
  • Patent number: 8703291
    Abstract: The present teachings provide a fuser member. The fuser member includes a substrate layer and a surface layer disposed on the substrate layer. The substrate layer comprises a plurality of core-shell particles wherein the core is a conductive particle and the shell is a fluoroplastic dispersed in a fluoroelastomer.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: April 22, 2014
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Edward F. Grabowski, Lin Ma, Lanhui Zhang
  • Publication number: 20140087298
    Abstract: An imaging member includes a supporting substrate, an optional hole blocking layer, an optional adhesive layer, an imaging layer, and an overcoat layer, wherein the overcoat layer comprises a fluorosulfonamide. The overcoat layer can further include a charge transport compound and a melamine resin.
    Type: Application
    Filed: September 26, 2012
    Publication date: March 27, 2014
    Applicant: XEROX CORPORATION
    Inventors: Jin WU, David SKINNER, Than SORN, Lin MA, Lanhui ZHANG, Marissa Anne LINNE, J. Robinson COWDERY-CORVAN, Kenny-tuan T. DINH
  • Publication number: 20140065533
    Abstract: The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital printing, apparatuses. More particularly, the embodiments pertain to an improved electrophotographic imaging member comprising a charge transport layer comprising a novel combination of a tetraaryl polycarbonate copolymer binder and perfluorinated fillers. The present charge transport layer provides reduced wear rate and long service life.
    Type: Application
    Filed: August 31, 2012
    Publication date: March 6, 2014
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Kenny-Tuan T. Dinh, Lanhui Zhang, Lin Ma
  • Patent number: 8652715
    Abstract: An overcoat containing a copolymer of a first propylene monomer and a second hydrophilic monomer provides superior wear resistance and low torque to a photoreceptor.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: February 18, 2014
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Lanhui Zhang, Lin Ma, Marc J. Livecchi
  • Patent number: 8652627
    Abstract: There is disclosed an intermediate transfer member that includes a layer of a polymer blend of polyimide and amino silicone having conductive particles dispersed therein.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: February 18, 2014
    Assignee: Xerox Corporation
    Inventors: Jin Wu, David W. Martin, Lanhui Zhang, Lin Ma
  • Patent number: 8647746
    Abstract: The present teachings provide an intermediate transfer member which includes a substrate layer and a surface layer disposed on the substrate layer. The surface layer includes a plurality of core-shell particles wherein the core is a conductive particle and the shell is a fluoroplastic dispersed in a fluoroelastomer.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: February 11, 2014
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Lanhui Zhang, Lin Ma, Jonathan H. Herko
  • Publication number: 20140008584
    Abstract: An intermediate transfer member that includes a fluorinated polyamideimide polymer, and an optional conductive component.
    Type: Application
    Filed: July 8, 2012
    Publication date: January 9, 2014
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Jonathan H. Herko, Lin Ma, Lanhui Zhang
  • Patent number: 8623578
    Abstract: A photoconductor that includes, for example, a supporting substrate, an optional ground plane layer, an optional hole blocking layer, an optional adhesive layer, a photogenerating layer, and a charge transport layer, and where the charge transport layer contains a mixture of a charge transport component and a tetraaryl polycarbonate.
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: January 7, 2014
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Kenny-Tuan T Dinh, Than Sorn, Robert W Hedrick, Linda L Ferrarese, Marc J Livecchi, Lanhui Zhang, Lin Ma, Stanley J Pietrzykowski, Jr.
  • Publication number: 20130330665
    Abstract: A photoconductor that includes, for example, a supporting substrate, an optional ground plane layer, an optional hole blocking layer, an optional adhesive layer, a photogenerating layer, and a charge transport layer, and where the charge transport layer contains a mixture of a charge transport component and a tetraaryl polycarbonate.
    Type: Application
    Filed: June 6, 2012
    Publication date: December 12, 2013
    Applicant: Xerox Corporation
    Inventors: Jin Wu, Kenny-Tuan T. Dinh, Than Sorn, Robert W. Hedrick, Linda L. Ferrarese, Marc J. Livecchi, Lanhui Zhang, Lin Ma, Stanley J. Pietrzykowski, JR.
  • Patent number: 8603365
    Abstract: The present teachings provide a composition that includes fluoroelastomer particles, core-shell particles wherein the core is a conductive particle and the shell is a fluoroplastic, and a solvent. A surface layer formed from the coating composition is provided.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: December 10, 2013
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Lanhui Zhang, Lin Ma, Brian P. Gilmartin
  • Publication number: 20130320272
    Abstract: An intermediate transfer member that includes a fluorinated polyamic acid and a conductive component.
    Type: Application
    Filed: May 29, 2012
    Publication date: December 5, 2013
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Lanhui Zhang, Lin Ma, Kock-Yee Law
  • Patent number: 8568952
    Abstract: The present teachings describe a process for mixing comprising obtaining a dispersion of solid particles and an organic solvent wherein the dispersion comprises a particulate solid content of from about 0.5 weight percent to about 10 weight percent. The dispersion is mixed at a resonant frequency of the mixing system.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: October 29, 2013
    Assignee: Xerox Corporation
    Inventors: Cuong Vong, Marko Saban, Vladislav Skorokhod, Lanhui Zhang, Lin Ma, Norman Chi Su, Zhen Lai
  • Patent number: 8568887
    Abstract: The present teachings provide a fuser member. The fuser member includes a substrate layer and a surface layer. The surface layer includes functionalized polyfluoropolyether and functionalized polybutadiene in a weight ratio of from about 20/80 to about 80/20. A method of manufacturing the fuser member is also disclosed.
    Type: Grant
    Filed: November 17, 2010
    Date of Patent: October 29, 2013
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Lanhui Zhang, Lin Ma
  • Publication number: 20130266732
    Abstract: An fluorinated polyester compound is disclosed. The fluorinated polyester compound can be made by combining ingredients comprising a hydroxyl terminated polyphenyl ether; a carboxylic acid terminated perfluoropolyether; an acid catalyst; and a solvent. A coating solution comprising the fluorinated polyester compound and a method of coating a substrate therewith are also disclosed.
    Type: Application
    Filed: April 10, 2012
    Publication date: October 10, 2013
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Lanhui Zhang, Lin Ma, David W. Martin
  • Publication number: 20130266356
    Abstract: The present teachings provide a fuser member. The fuser member includes a substrate layer comprising a polyimide polymer and a fluoro acid. A method of manufacturing a fuser member is also described.
    Type: Application
    Filed: April 9, 2012
    Publication date: October 10, 2013
    Applicant: XEROX CORPORATION
    Inventors: Jin Wu, Lanhui Zhang, Lin Ma, Jonathan H. Herko
  • Patent number: 8541104
    Abstract: There is described an intermediate transfer member including a substrate layer comprising a polyimide and a surface layer. The surface layer includes a functionalized polyfluoropolyether and functionalized polybutadiene in a weight ratio of functionalized polyfluoropolyether/functionalized polybutadiene of from about 20/80 to about 80/20 and conductive particles. The method of manufacturing the intermediate transfer member is also described.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: September 24, 2013
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Jonathan H. Herko, Lanhui Zhang, Lin Ma
  • Publication number: 20130189616
    Abstract: The present teachings describe a process for mixing comprising obtaining a dispersion of solid particles and an organic solvent wherein the dispersion comprises a particulate solid content of from about 0.5 weight percent to about 10 weight percent. The dispersion is mixed at a resonant frequency of the mixing system.
    Type: Application
    Filed: January 25, 2012
    Publication date: July 25, 2013
    Applicant: XEROX CORPORATION
    Inventors: Cuong Vong, Marko Saban, Vladislav Skorokhod, Lanhui Zhang, Lin Ma, Norman C. Su, Zhen Lai