Patents by Inventor Nan-Xing Hu

Nan-Xing Hu 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).

  • Method of making toners
    Patent number: 8951708
    Abstract: The present embodiments relate to methods of making a toner composition. More specifically, the present embodiments relate to methods of including a functional material into a toner composition.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: February 10, 2015
    Assignee: Xerox Corporation
    Inventors: Yu Liu, Cuong Vong, Sarah Vella, Gregory McGuire, Richard Klenkler, Nan-xing Hu, Paul Gerroir
  • Semiconductor composition
    Patent number: 8945425
    Abstract: An electronic device, such as a thin-film transistor, includes a semiconducting layer formed from a semiconductor composition. The semiconductor composition comprises a polymer binder and a small molecule semiconductor. The small molecule semiconductor in the semiconducting layer has a crystallite size of less than 100 nanometers. Devices formed from the composition exhibit high mobility and excellent stability.
    Type: Grant
    Filed: April 18, 2011
    Date of Patent: February 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yiliang Wu, Sandra J. Gardner, Anthony J. Wigglesworth, Ping Liu, Nan-Xing Hu
  • PHOTOCONDUCTOR
    Publication number: 20150030974
    Abstract: Described herein is a photoreceptor having a substrate, a charge generating layer, a charge transport layer comprising N,N,N?N?-tetra(4-methylphenyl)-(1,1?-biphenyl)-4,4?-diamine having a purity of from about 95 percent to about 100 percent, and a protective overcoat layer. The N,N,N?N?-tetra(4-methylphenyl)-(1,1?-biphenyl)-4,4?-diamine has been treated by a purification process two or more times.
    Type: Application
    Filed: July 23, 2013
    Publication date: January 29, 2015
    Applicant: XEROX CORPORATION
    Inventors: Gregory M. McGuire, Jennifer A. Coggan, Alan E.J. Toth, Nan-Xing Hu, Yu Liu
  • Processes for producing palladium nanoparticle inks
    Patent number: 8940197
    Abstract: A process for preparing a palladium nanoparticle ink comprises reacting a reaction mixture comprising a palladium salt, a stabilizer, a reducing agent, and an optional solvent to directly form the palladium nanoparticle ink. During the formation of the palladium nanoparticle ink, the palladium nanoparticles are not isolated from the reaction mixture.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: January 27, 2015
    Assignee: Xerox Corporation
    Inventors: Ping Liu, Yiliang Wu, Nan-Xing Hu, Anthony James Wigglesworth
  • COATING APPARATUSES AND METHODS
    Publication number: 20150016834
    Abstract: An imaging apparatus includes an imaging member having a surface, a delivery member that is spaced apart from the imaging member, and a power source for generating an electric field between the imaging member surface and the delivery member. A functional material is electrohydrodynamically transferred from the delivery member to the imaging member surface when the electric field is generated.
    Type: Application
    Filed: July 11, 2013
    Publication date: January 15, 2015
    Inventors: Yu Liu, Yu Qi, Vladislav Skorokhod, Johann Junginger, Sarah Vella, Nan-Xing Hu
  • Fuser member
    Patent number: 8929792
    Abstract: A fuser member having a substrate and a polyimide aerogel layer disposed on the substrate is shown. The polyimide aerogel layer has a porosity of from about 50 percent to about 95 percent. A fluoropolymer surface layer is disposed on the polyimide aerogel layer.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: January 6, 2015
    Assignee: Xerox Corporation
    Inventors: Yu Qi, Nan-Xing Hu
  • Dual roll system integrating a delivery roll and a cleaning roll to extend the lifetime of the BCR system
    Patent number: 8929767
    Abstract: An image forming apparatus including an electrophotographic photoconductive member, a charging unit, a delivery unit and a cleaning unit. The charging unit is disposed in contact with the surface of the photoconductive member and the delivery unit disposed in contact with the surface of the charging unit. The delivery unit applies a layer of functional material to a surface of the charging unit and the charging unit in turn applies a layer of the functional material onto the surface of the photoconductive member. The cleaning unit is disposed in contact with a surface of the charging unit to clean the charging unit and reduce contamination of a surface of the delivery unit. The cleaning unit is disposed in an upstream direction of the delivery roller relative to a rotation direction of the charging unit.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: January 6, 2015
    Assignee: Xerox Corporation
    Inventors: Yu Liu, Sarah J. Vella, Gregory McGuire, Gaetano Lavigne, Nan-xing Hu, Johann Junginger
  • Systems and methods for cleaning bias charge roll surface in printing systems
    Patent number: 8913917
    Abstract: A vibration-assisted bias charge roll cleaning system includes a bias charge roll cleaning member connected to an actuator for causing the cleaning member to vibrate. The actuator is controlled to vibrate according to a predetermined pattern, and at desired frequencies at particular modes. The cleaning member is configured to be movable to a contact-cleaning position and a cleaning member cleaning position at which the cleaning member is separate from the charge roll.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: December 16, 2014
    Assignee: Xerox Corporation
    Inventors: Yu Liu, Johann Junginger, Sarah Vella, Nan-xing Hu, Vlad Skorokhod, Greg McGuire
  • Method of forming a fluoroplastic topcoat including carbon nanotubes
    Patent number: 8911830
    Abstract: A method for forming a surface topcoat can include mixing a plurality of carbon nanotubes (CNT) with a thermally decomposable polymer binder to form a thermally decomposable polymer composite. The thermally decomposable polymer composite is mixed with a plurality of fluoroplastic particles, a fluorinated surfactant, and a solvent media to form a coating dispersion. Next, the coating dispersion is applied to a substrate such as a printer fuser member substrate to form a coated substrate. The coated substrate is heated to cure the coating dispersion to form a final coating film on the substrate.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: December 16, 2014
    Assignee: Xerox Corporation
    Inventors: Yu Qi, Qi Zhang, Nan-Xing Hu
  • METHOD OF MAKING TONERS
    Publication number: 20140363761
    Abstract: The present embodiments relate to methods of making a toner composition. More specifically, the present embodiments relate to methods of including a functional material into a toner composition.
    Type: Application
    Filed: June 5, 2013
    Publication date: December 11, 2014
    Inventors: Yu Liu, Cuong Vong, Sarah Vella, Gregory McGuire, Richard Klenkler, Nan-xing Hu, Paul Gerroir
  • Fuser member
    Patent number: 8879975
    Abstract: There is disclosed a fuser member that includes a substrate layer and a surface layer disposed on the substrate layer. The surface layer includes a fluoropolymer having dispersed therein fluorinated graphene particles. A method of manufacturing a fuser member is also provided.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: November 4, 2014
    Assignee: Xerox Corporation
    Inventors: Yu Qi, Nan-Xing Hu, Qi Zhang, Brynn M. Dooley
  • METHOD OF FORMING A FLUOROPLASTIC TOPCOAT INCLUDING CARBON NANOTUBES
    Publication number: 20140322447
    Abstract: A method for forming a surface topcoat can include mixing a plurality of carbon nanotubes (CNT) with a thermally decomposable polymer binder to form a thermally decomposable polymer composite. The thermally decomposable polymer composite is mixed with a plurality of fluoroplastic particles, a fluorinated surfactant, and a solvent media to form a coating dispersion. Next, the coating dispersion is applied to a substrate such as a printer fuser member substrate to form a coated substrate. The coated substrate is heated to cure the coating dispersion to form a final coating film on the substrate.
    Type: Application
    Filed: April 26, 2013
    Publication date: October 30, 2014
    Inventors: Yu Qi, Qi Zhang, Nan-Xing Hu
  • FUSER MEMBER
    Publication number: 20140321894
    Abstract: A fuser member having a substrate and a surface layer disposed on the substrate is described. The surface layer includes a polyimide aerogel having dispersed throughout a cross-linked fluoropolymer and a release agent wherein the release agent is a liquid at a temperature above about 100° C.
    Type: Application
    Filed: April 25, 2013
    Publication date: October 30, 2014
    Applicant: Xerox Corporation
    Inventors: Yu Qi, Brynn M. Dooley, Nan-Xing Hu
  • SURFACE COATING AND FUSER MEMBER
    Publication number: 20140323005
    Abstract: Described is a fuser member having a substrate and a surface layer disposed on the substrate. The surface layer includes a non-woven polymer fiber matrix having dispersed throughout a siloxyfluorocarbon (SFC) networked polymer and a fluorinated polyhedral oligomeric silsesquioxane.
    Type: Application
    Filed: April 25, 2013
    Publication date: October 30, 2014
    Applicant: Xerox Corporation
    Inventors: Brynn M. Dooley, Yu Qi, Edward G. Zwartz, Nan-Xing Hu
  • SURFACE COATING AND FUSER MEMBER
    Publication number: 20140321893
    Abstract: There is described a fuser member comprising a substrate layer and a surface layer disposed on the substrate. The surface layer comprises a non-woven polymer fiber matrix having dispersed throughout a cross-linked fluoropolymer and a release agent. The release agent is a liquid at a temperature about 100° C.
    Type: Application
    Filed: April 25, 2013
    Publication date: October 30, 2014
    Applicant: XEROX CORPORATION
    Inventors: Yu Qi, Nan-Xing Hu, Brynn M. Dooley, Edward G. Zwartz
  • Method for bias member charging a photoreceptor
    Patent number: 8873997
    Abstract: A bias charge member is pulsed into contact with a photoreceptor at high frequency as a mean to reduce contamination and wearing on both the bias charge member and photoreceptor.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: October 28, 2014
    Assignee: Xerox Corporation
    Inventors: Yu Liu, Johann Junginger, Gaetano J Lavigne, Gregory Mcguire, Vladislav Skorokhod, Nan-Xing Hu
  • CONDUCTIVE INK COMPOSITIONS AND METHODS FOR PREPARATION OF STABILIZED METAL-CONTAINING NANOPARTICLES
    Publication number: 20140312284
    Abstract: Processes for preparing stabilized metal-containing nanoparticles comprising silver and/or a silver alloy composite by reacting a silver compound with a reducing agent comprising a hydrazine compound at a temperature between about 20° C. and about 60° C. The reaction being carried out by incrementally adding the silver compound or a mixture of the silver compound and a stabilizer to a solution comprising the reducing agent, a stabilizer, and a solvent. Conductive ink compositions containing stabilized metal-containing nanoparticles prepared by such processes.
    Type: Application
    Filed: April 19, 2013
    Publication date: October 23, 2014
    Applicant: XEROX CORPORATION
    Inventors: Ping Liu, Mahya Mokhtari, Tila Tahmoures-Zadeh, Roger Gaynor, Yiliang Wu, Nan-Xing Hu
  • Fuser member
    Patent number: 8846196
    Abstract: The present teachings provide a fuser member. The fuser member includes an outer layer comprising a composite of a fluoropolymer and a networked siloxyfluorocarbon polymer.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: September 30, 2014
    Assignee: Xerox Corporation
    Inventors: Carolyn P. Moorlag, Yu Qi, Qi Zhang, Nan-Xing Hu, Kurt I. Halfyard, Nicoleta D. Mihai, Gordon Sisler, Guiqin Song, Edward G. Zwartz, T. Brian McAneney
  • DETACHABLE HYBRID DISPLAY COMPRISING ORGANIC PHOTOCONDUCTOR-BASED ELECTRONIC COVER
    Publication number: 20140268276
    Abstract: A method and apparatus for displaying a reflective image in response to light emitted from an emissive display is disclosed. An apparatus includes an emissive display, a processor in communication with the emissive display, and an electronic cover proximate to the emissive display. The electronic cover includes a passive display layer having a plurality of passive display elements and a photosensitive layer responsive to emitted light from the emissive display. A method includes forming an emitted light image on the emissive display and exposing the photoconductor layer of the electronic cover to an emitted light image, causing the plurality of passive display elements to form a reflective image on the passive display layer so that the reflective image corresponds to the displayed image.
    Type: Application
    Filed: March 13, 2013
    Publication date: September 18, 2014
    Applicant: Xerox Corporation
    Inventors: Nan-Xing Hu, Johann E. Junginger, Gregory McGuire, Vladislav Skorokhod
  • Delivery member for use in an image forming apparatus
    Patent number: 8831501
    Abstract: There is described a delivery member for use in an image forming apparatus. The delivery member includes a support member and a first layer including an elastomeric matrix, a porous material and a functional material dispersed therein. The first layer is disposed on the support member.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: September 9, 2014
    Assignee: Xerox Corporation
    Inventors: Sarah J. Vella, Nan-Xing Hu, Yu Liu, Richard A. Klenkler