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).

  • 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
  • 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
  • Publication number: 20150004417
    Abstract: A polymer composite comprising a fluoroelastomer binder. A plurality of halloysite nanotubes are dispersed in the fluoroelastomer binder. Xerographic components employing the polymer composite are disclosed.
    Type: Application
    Filed: June 27, 2013
    Publication date: January 1, 2015
    Inventors: Brynn Dooley, Yu Qi, Qi Zhang, Carolyn Moorlag
  • 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
  • Publication number: 20140354746
    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: Application
    Filed: May 28, 2013
    Publication date: December 4, 2014
    Applicant: XEROX CORPORATION
    Inventors: Brynn Mary DOOLEY, Carolyn P. MOORLAG, Anthony James WIGGLESWORTH, Adrien Pierre COTE, Yu QI, Barkev KEOSHKERIAN
  • Patent number: 8883264
    Abstract: Methods for powder coating that include applying a powder coating composition to a substrate via an electrostatic gun. The powder coating composition includes a mixture of two or more materials having different densities, such as a mixture of aerogel particles and fluoropolymer-containing particles. The electrostatic gun can have a high-voltage generator that generates a negative polarity voltage between about 0 KV and about 100 KV during application of the powder coating composition, and the electrostatic gun can have a round spray nozzle. Methods of making fuser members using such powder coating methods, fuser members prepared by such methods, and methods of preparing low gloss images using such fuser members.
    Type: Grant
    Filed: November 1, 2012
    Date of Patent: November 11, 2014
    Assignee: Xerox Corporation
    Inventors: Suxia Yang, Qi Zhang, Edward G Zwartz, Yu Qi, Gordon Sisler, David Charles Irving
  • 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
  • Patent number: 8877846
    Abstract: The present teachings disclose a surface coating composition. The surface coating composition includes fluorine containing particles, aerogel particles and positive tribocharging particles. The surface coating is useful as the release layer for fuser members.
    Type: Grant
    Filed: April 17, 2012
    Date of Patent: November 4, 2014
    Assignee: Xerox Corporation
    Inventors: Carolyn P. Moorlag, Suxia Yang, Yu Qi, Qi Zhang, Brynn M. Dooley, Sandra J. Gardner
  • 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
  • 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
  • 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
  • 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
  • Publication number: 20140294470
    Abstract: There is disclosed a fuser member include a substrate layer and a release layer disposed on the substrate layer. The release layer includes a plurality polyimide particles dispersed in a fluoropolymer. An image forming apparatus equipped the fuser member is also described.
    Type: Application
    Filed: March 26, 2013
    Publication date: October 2, 2014
    Applicant: Xerox Corporation
    Inventors: Jennifer A. Coggan, Yu Qi
  • 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
  • Patent number: 8790774
    Abstract: Exemplary embodiments provide materials and methods for a nanocomposite material and a fuser member containing the nanocomposite material in a fusing system, wherein the nanocomposite material can contain a plurality of carbon nanotubes (CNTs) and a plurality of inorganic nano-fillers (INFs) disposed in a polymer matrix to provide the nanocomposite material with desirable properties.
    Type: Grant
    Filed: December 27, 2010
    Date of Patent: July 29, 2014
    Assignee: Xerox Corporation
    Inventors: Qi Zhang, Yu Qi, Nan-Xing Hu, Gordon Sisler
  • Publication number: 20140204159
    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: Application
    Filed: January 22, 2013
    Publication date: July 24, 2014
    Applicant: XEROX CORPORATION
    Inventors: Brynn Mary DOOLEY, Carolyn P. MOORLAG, Anthony James WIGGLESWORTH, Adrien Pierre COTE, Yu QI, Barkev KEOSHKERIAN
  • Patent number: 8787809
    Abstract: Exemplary embodiments provide a pressure member used in electrophotographic printing devices, wherein the pressure member can include a coated outermost layer containing fluoropolymers and carbon nanotubes (CNTs) each surrounded by an elastomeric material.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: July 22, 2014
    Assignee: Xerox Corporation
    Inventors: Yu Qi, Nan-Xing Hu
  • Patent number: 8781383
    Abstract: Exemplary embodiments provide materials and methods for a non-woven fabric, a fuser member, and a fusing apparatus used in electrophotographic printing devices, wherein the non-woven fabric can be at least part of the topcoat layer of the fuser member and can include a plurality of non-woven electrospun fibers bonded with a fluoropolymer.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: July 15, 2014
    Assignee: Xerox Corporation
    Inventors: Yu Qi, Carolyn Moorlag, Qi Zhang, Nan-Xing Hu
  • Publication number: 20140178579
    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: Application
    Filed: December 20, 2012
    Publication date: June 26, 2014
    Applicant: XEROX CORPORATION
    Inventors: Yu Qi, Nan-Xing Hu
  • Publication number: 20140178658
    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: Application
    Filed: December 20, 2012
    Publication date: June 26, 2014
    Applicant: XEROX CORPORATION
    Inventors: Yu Qi, Nan-Xing Hu