Patents by Inventor Yu Qi

Yu Qi 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: 9200120
    Abstract: An intermediate transfer member containing a layer of a siloxyfluorocarbon networked polymer. A method of preparing an intermediate transfer member including mixing a coating solution containing siloxyfluorocarbon precursor materials; applying the coating solution as a sol on a substrate; curing the coating solution on the substrate to form an intermediate transfer member containing a layer of a siloxyfluorocarbon networked polymer. The surface free energy of the intermediate transfer member may be from about 10 mN/m to about 40 mN/m. A method of printing an image to a substrate includes applying an inkjet ink to an intermediate transfer member containing a layer of a siloxyflurocarbon networked polymer; spreading the ink onto the intermediate transfer member; inducing a property change of the ink; and transferring the ink to a substrate.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: December 1, 2015
    Assignee: XEROX CORPORATION
    Inventors: Brynn Mary Dooley, Carolyn P. Moorlag, Anthony James Wigglesworth, Adrien Pierre Cote, Yu Qi, Barkev Keoshkerian
  • Publication number: 20150321467
    Abstract: There is described a transfer member or blanket for use in aqueous ink jet printer. The transfer member includes a surface layer having a surface roughness (Ra) of from about 50 nm to about 5 microns. The surface layer has a surface energy between 8 mN/m2 and 30 mN/m2. The surface layer includes an elastomeric matrix having a plurality texture particles dispersed therein. The weight percent of the texture particles in the surface layer is from about 0.2 weight percent to about 20 weight percent.
    Type: Application
    Filed: May 6, 2014
    Publication date: November 12, 2015
    Applicant: Xerox Corporation
    Inventors: Carolyn Patricia Moorlag, Yu Qi, Brynn Mary Dooley, Barkev Keoshkerian
  • Patent number: 9180488
    Abstract: According to an embodiment a method of making a fuser member is described. The method includes, obtaining a silicone layer disposed on a substrate and coating a primer composition including an aqueous dispersion of a fluorelastomer and a curing agent on the silicone layer. A topcoat composition is coated on the primer composition which includes a fluoroplastic dispersion. The primer composition and the topcoat composition are heated to form the fuser member.
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: November 10, 2015
    Assignee: Xerox Corporation
    Inventors: Yu Qi, Nan-Xing Hu, David C. Irving, Patrick J. Finn, Gordon Sisler
  • Publication number: 20150309452
    Abstract: A fuser comprises a substrate and a composite layer formed on the substrate. The composite layer comprises a fluoropolymer and at least one of (a) perfluorosulfonated polymer-treated, carbon nanotube-comprising particles, and (b) perfluorosulfonated polymer-treated, graphene-comprising particles. Methods of making a fuser and methods of fusing toner particles are also disclosed.
    Type: Application
    Filed: April 24, 2014
    Publication date: October 29, 2015
    Applicant: XEROX CORPORATION
    Inventors: QI ZHANG, NAN-XING HU, SUXIA YANG, SANDRA J. GARDNER, EDWARD G. ZWARTZ, YU QI
  • Publication number: 20150273817
    Abstract: There is described a transfer member or blanket for use in aqueous ink jet printer. The transfer member includes a non-woven polymer fiber matrix and a polymer dispersed throughout the non-woven polymer fiber matrix. The polymer fiber matrix has a first surface energy and the polymer has a second surface energy. The difference between the first surface energy and the second surface energy is from about 30 mJ/m2 to about 5 mJ/m2.
    Type: Application
    Filed: March 31, 2014
    Publication date: October 1, 2015
    Applicant: Xerox Corporation
    Inventors: Yu Qi, Carolyn Patricia Moorlag, Brynn Mary Dooley, Barkev Keoshkerian
  • Patent number: 9146511
    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: Grant
    Filed: April 25, 2013
    Date of Patent: September 29, 2015
    Assignee: Xerox Corporation
    Inventors: Yu Qi, Brynn M. Dooley, Nan-Xing Hu
  • Patent number: 9109140
    Abstract: A crosslinked siloxane composition contains the polymerization product of a mixture containing from about 2 to about 12 alkoxysilane precursor materials, where at least one of the alkoxysilane precursor materials is a hydrophilic alkoxysilane precursor material, and at least one of the alkoxysilane precursor materials is a hydrophobic alkoxysilane precursor material. A method of printing an image to a substrate involves applying an inkjet ink to an intermediate transfer member using an inkjet printhead, spreading the ink onto the transfer member, inducing a property change of the ink, and transferring the ink to a substrate, where the intermediate transfer member comprises a crosslinked siloxane composition containing the polymerization product of a mixture comprising from about 2 to about 12 alkoxysilane precursor materials, where at least one of the precursor materials is hydrophilic and at least one is hydrophobic.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: August 18, 2015
    Assignee: XEROX CORPORATION
    Inventors: Brynn Mary Dooley, Carolyn P. Moorlag, Anthony James Wigglesworth, Adrien Pierre Cote, Yu Qi, Barkev Keoshkerian
  • Patent number: 9110415
    Abstract: The present teachings provide a fuser member. The fuser member comprises a release layer comprising microcrystalline cellulose particles dispersed in a fluoropolymer.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: August 18, 2015
    Assignee: Xerox Corporation
    Inventors: Carolyn P. Moorlag, Yu Qi, Brynn M. Dooley, Qi Zhang
  • Patent number: 9069308
    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: Grant
    Filed: April 25, 2013
    Date of Patent: June 30, 2015
    Assignee: Xerox Corporation
    Inventors: Yu Qi, Nan-Xing Hu, Brynn M. Dooley, Edward G. Zwartz
  • Patent number: 9062219
    Abstract: In accordance with the invention, there are articles including hydrophobic composite coating and methods of forming a hydrophobic composite coating. The method of forming a hydrophobic composite coating can include providing a substrate, wherein the substrate can include at least one region. The method can also include providing a dispersion including a plurality of carbon nanotubes, a stabilizer, a hydrophobic polymer, and a solvent, wherein the plurality of carbon nanotubes can be selected from the group consisting of single wall carbon nanotubes and multiple wall carbon nanotubes, and wherein each of the plurality of carbon nanotubes has an aspect ratio of at least about 10. The method can further include applying the dispersion to the one region to form a coated substrate and heating the coated substrate to form a hydrophobic composite coating such that the hydrophobic composite coating has a water contact angle of at least about 120°.
    Type: Grant
    Filed: January 21, 2009
    Date of Patent: June 23, 2015
    Assignee: XEROX CORPORATION
    Inventors: Yu Qi, Nan-Xing Hu, Qi Zhang, Gail Song, Sandra Gardner
  • Patent number: 9063509
    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: Grant
    Filed: July 11, 2013
    Date of Patent: June 23, 2015
    Assignee: Xerox Corporation
    Inventors: Yu Liu, Yu Qi, Vladislav Skorokhod, Johann Junginger, Sarah Vella, Nan-Xing Hu
  • Patent number: 9052653
    Abstract: A fuser member comprising a substrate, and thereover, an outer layer comprising polysilsesquioxane additives, and an image forming apparatus containing the fuser member therein.
    Type: Grant
    Filed: August 5, 2008
    Date of Patent: June 9, 2015
    Assignee: XEROX CORPORATION
    Inventors: Carolyn Moorlag, Yu Qi, Jennifer A. Coggan, Nan-Xing Hu
  • Patent number: 9044922
    Abstract: A self-releasing fuser member for an image forming apparatus having a fluoropolymer with fluorocarbon chains bonded to the fluoropolymer via a linking group; a quaternary, tertiary, or secondary carbon atom; and a reactive group. The fluorocarbon chains are oriented nonparallel to the surface of the self-releasing fuser member. Image forming apparatuses having such self-releasing fuser members and methods of making such self-releasing fuser members.
    Type: Grant
    Filed: April 25, 2012
    Date of Patent: June 2, 2015
    Assignee: XEROX CORPORATION
    Inventors: Brynn M. Dooley, Yu Qi, Carolyn P. Moorlag, Qi Zhang, Nan-Xing Hu
  • Publication number: 20150140319
    Abstract: A fuser member including a substrate and a release layer disposed on the substrate is provided. The fuser member includes a substrate and a release layer disposed on the substrate. The release layer includes non-woven polymer fibers having graphene particles dispersed along the fibers. A method of manufacturing the release layer is provided.
    Type: Application
    Filed: November 18, 2013
    Publication date: May 21, 2015
    Applicant: Xerox Corporation
    Inventors: Yu Qi, Qi Zhang, Brynn Mary Dooley, Suxia Yang, Nan-Xing Hu
  • Publication number: 20150140882
    Abstract: A fuser member including a substrate and a release layer disposed on the substrate is described. The release layer includes a metal coated non-woven polymer fiber mesh wherein the metal coated non-woven polymer fiber mesh has pores of a size of from about 1 microns to about 50 microns and a fluoropolymer dispersed on and throughout the polymer matrix. A method of manufacturing the fuser member is also provided.
    Type: Application
    Filed: November 18, 2013
    Publication date: May 21, 2015
    Applicant: Xerox Corporation
    Inventors: Yu Qi, Brynn Mary Dooley, Suxia Yang, Ping Liu, Nan-Xing Hu
  • Publication number: 20150140881
    Abstract: Described is provided a composition of matter that includes a layer having a metal coated non-woven polymer fiber mesh. The metal coated non-woven polymer fiber mesh has pores of a size of from about 1 micron to about 50 microns, and a fluoropolymer dispersed on and throughout the metal coated non-woven polymer fiber mesh. A method of manufacturing is also provided.
    Type: Application
    Filed: November 18, 2013
    Publication date: May 21, 2015
    Applicant: Xerox Corporation
    Inventors: Brynn Mary Dooley, Yu Qi, Edward Graham Zwartz, Nan-Xing Hu
  • Publication number: 20150140320
    Abstract: Described is a fuser member including a substrate and a release layer disposed on the substrate. The release layer includes a fluoropolymer having a plurality of metal fibers having a diameter of from about 5 nanometers to about 20 microns dispersed throughout the fluoropolymer. A method of manufacturing the fuser member is also provided.
    Type: Application
    Filed: November 18, 2013
    Publication date: May 21, 2015
    Applicant: Xerox Corporation
    Inventors: Brynn Mary Dooley, Yu Qi, Edward Graham Zwartz, Nan-Xing Hu
  • Patent number: 9034423
    Abstract: A method of manufacturing a fuser member is described. The method includes obtaining a substrate and coating a composition of an anhydride capped polyamic acid oligomer, a multi-amine and a solvent on the substrate to form a polyimide gel layer on the substrate. The solvent is extracted from the polyimide gel layer with an extraction solvent. The extraction solvent is removed to form a polyimide aerogel layer having a porosity of from about 50 percent to about 95 percent. A fluoropolymer is coated on the polyimide aerogel layer and cured or melted to form a release layer.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: May 19, 2015
    Assignee: Xerox Corporation
    Inventors: Yu Qi, Nan-Xing Hu
  • Patent number: 9012025
    Abstract: The present teachings disclose a fuser member comprising a substrate, a functional layer disposed on the substrate and an outer layer disposed on the functional layer. The outer layer comprises a cross-linked perfluorinated polyether.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: April 21, 2015
    Assignee: Xerox Corporation
    Inventors: Brynn M. Dooley, Yu Qi, Carolyn P. Moorlag, Qi Zhang, Nan-Xing Hu
  • Publication number: 20150093584
    Abstract: A composition comprises a liquid continuous phase and a plurality of composite particles dispersed therein. The composite particles each comprise a fluorosilane-treated graphene-comprising particle and a fluoropolymer particle.
    Type: Application
    Filed: October 2, 2013
    Publication date: April 2, 2015
    Applicant: Xerox Corporation
    Inventors: Qi Zhang, Yu Qi, Brynn Dooley, Nan-Xing Hu