Patents by Inventor Biao Tan

Biao Tan 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: 20030044704
    Abstract: A photoconductive sleeved primary image forming member roller for use in an electrophotographic machine comprising a central member including a rigid cylindrical core member and a compliant layer formed on the core member; and a flexible replaceable removable photoconductive sleeve member in the form of an endless tubular belt that surrounds and nonadhesively intimately contacts the central member.
    Type: Application
    Filed: October 22, 2002
    Publication date: March 6, 2003
    Inventors: Arun Chowdry, Steven Cormier, Dennis Grabb, Diane M. Herrick, John W. May, Edward T. Miskinis, Michel F. Molaire, Biao Tan, Thomas N. Tombs
  • Patent number: 6521332
    Abstract: A heater roller assembly for use with a fuser apparatus includes a housing comprising a radiation shield enclosing a radiant heat source, and a heater roller that is disposed within the housing and is externally heated by the radiant heat source. The heater roller includes a core, a base cushion layer overlying the core, and an outer layer overlying the base cushion layer. The outer layer of the heater roller includes a fluorocarbon random copolymer having subunits of wherein x is from 10 to 90 mole %, y is from 10 to 90 mole %, x+y equal 100 mole %, and ORf is a perfluoroalkoxy group. A fuser apparatus includes a fuser roller whose outer surface is in contact with the outer layer of a heater roller included in a heater roller assembly.
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: February 18, 2003
    Assignee: NexPress Solutions LLC
    Inventors: Andrew Ciaschi, Jiann-Hsing Chen, Biao Tan, Joseph A. Pavlisko
  • Patent number: 6417284
    Abstract: A release coating layer comprising a continuous phase of an organic polymer binder; a discontinuous phase of a fluorinated resin having a molecular weight between 2500 and 10,000,000, wherein the ratio of organic polymer binder to fluorinated resin is between 60:39.9 to 80:18 by weight; and a priming agent composition comprising a perfluoroalkylsubstituted fluororesin-reactive compound having the formula: where R5 is H or F, Q is OH, SiR6R7R8, R6, R7, and R8 being independently selected from the group consisting of Cl, OH, an alkyl group containing 1 to about 4 carbon atoms, an alkoxy group containing 1 to about 4 carbon atoms, an acyloxy group containing 2 to about 4 carbon atoms, and an amino group containing 0 to about 4 carbon atoms; and n is an integer from 1 to about 15; with the proviso that, at least one of R6, R7, and R8 is Cl, OH, or an alkoxy, acyloxy, or amino group.
    Type: Grant
    Filed: September 30, 1999
    Date of Patent: July 9, 2002
    Assignee: NexPress Solutions LLC
    Inventors: Jiann-Hsing Chen, Biao Tan, Joseph A. Pavlisko, Robert A. Lancaster, Craig M. Cody
  • Publication number: 20020064644
    Abstract: A heater roller assembly for use with a fuser apparatus includes a housing comprising a radiation shield enclosing a radiant heat source, and a heater roller that is disposed within the housing and is externally heated by the radiant heat source. The heater roller includes a core, a base cushion layer overlying the core, and an outer layer overlying the base cushion layer.
    Type: Application
    Filed: October 9, 2001
    Publication date: May 30, 2002
    Applicant: NexPress Solutions LLC
    Inventors: Andrew Ciaschi, Jiann-Hsing Chen, Biao Tan, Joseph A. Pavlisko
  • Patent number: 6393226
    Abstract: An intermediate transfer member (IT) roller for use in an electrostatographic recording apparatus comprising a core member; a compliant layer covering the core member; and a stiffening layer covering the compliant layer, wherein the stiffening layer includes an endless belt that has a thickness in the range of greater than 50 and up to 1000 micrometers.
    Type: Grant
    Filed: October 4, 2000
    Date of Patent: May 21, 2002
    Assignee: NexPress Solutions LLC
    Inventors: Robert Charlebois, Arun Chowdry, Craig M. Cody, Earl Gomes, Dennis Grabb, Diane M. Herrick, Bonnie Patterson, Dean R. Smith, Kenneth E. Stack, Biao Tan, Thomas Tombs, Joseph A. Pavlisko
  • Patent number: 6377772
    Abstract: In accordance with the invention, there is provided a reproduction method including forming a toner image on a moving primary image-forming member (PIFM) which is a first double-sleeved roller including a rigid cylindrical core member, a replaceable removable compliant inner sleeve member (ISM) in nonadhesive intimate contact with and surrounding the core member, and a replaceable removable photoconductive outer sleeve member (OSM) in nonadhesive intimate contact with and surrounding the ISM; electrostatically transferring the toner image, from the PIFM to a counter-rotating intermediate transfer member (ITM) which is a second double-sleeved roller, in a first transfer nip width produced by a pressure contact between the PIFM and the ITM, an electric field urging the toner image from the PIFM to the ITM, wherein the ITM includes a rigid cylindrical core member, a compliant ISM in nonadhesive intimate contact with and surrounding the core member, and a compliant resistive OSM in nonadhesive intimate contact wi
    Type: Grant
    Filed: October 4, 2000
    Date of Patent: April 23, 2002
    Assignee: NexPress Solutions LLC
    Inventors: Arun Chowdry, Craig M. Cody, Steven Cormier, Dennis Grabb, Diane M. Herrick, John W. May, Edward T. Miskinis, Michel F. Molaire, Biao Tan, Thomas Tombs, Joseph A. Pavlisko
  • Publication number: 20010021491
    Abstract: A fusing belt comprising a substrate and a coating on the substrate wherein the coating comprises a resin containing a cured silsesquioxane polymer and wherein the belt is used in combination with a photographic element.
    Type: Application
    Filed: February 23, 2001
    Publication date: September 13, 2001
    Applicant: NexPress Solutiions LLC
    Inventors: Jiann-Hsing Chen, Biao Tan, Joseph A. Pavlisko, Charles E. Hewitt
  • Patent number: 6218014
    Abstract: A fuser member comprising a support and coated thereon a fluorocarbon elastomer layer containing: (1) a silicon carbide filler and a cupric oxide filler; and/or (2) a silicon carbide filler treated with a silane coupling agent having a reactive functional group, the fuser member further having a functionalized polydimethylsiloxane release agent applied to the fluorocarbon elastomer layer in an amount sufficient to produce, upon incubation at elevated temperature, a surface having improved toner release properties on said outermost layer.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: April 17, 2001
    Assignee: Nexpress Solutions
    Inventors: Jerry A. Pickering, Jiann-Hsing Chen, Tonya D. Binga, Douglas B. Wilkins, Biao Tan
  • Patent number: 6207243
    Abstract: A fuser member having an outermost layer comprising a fluoroelastomer with thermally conductive fillers treated with a mercapto-functionalized silane coupling agent that is interactive with a fluoroelastomer to provide a fuser roller surface of decreased toner offset and abrasion and increased toner release and thermal conductivity.
    Type: Grant
    Filed: February 27, 1998
    Date of Patent: March 27, 2001
    Assignee: Eastman Kodak Company
    Inventors: Biao Tan, Jiann-Hsing Chen, Tonya D. Binga, Wayne T. Ferrar
  • Patent number: 6171770
    Abstract: A method of fusing a protective layer on a photographic element by the steps of: providing a photographic element having a silver halide light-sensitive emulsion layer; applying a hydrophobic polymeric coating to the silver halide light sensitive emulsion layer; and fusing the hydrophobic polymeric coating to the silver halide light sensitive emulsion layer to form a protective overcoat, the fusing step comprising: passing the photographic element through a nip formed between a heated fuser belt and a roller wherein the fuser belt has an overcoat containing an optional siloxane intermediate layer and a silsesquioxane polymer surface layer coated on said intermediate layer.
    Type: Grant
    Filed: November 24, 1999
    Date of Patent: January 9, 2001
    Inventors: Jiann Chen, Biao Tan, Muhammed Aslam, Robert A. Lancaster
  • Patent number: 6114041
    Abstract: A fuser member having improved toner offset release and wear characteristics. The outermost layer comprises a fluoroelastomer with thermally conductive fillers which are surface treated with a coupling agent that is interactive with the fluoroelastomer and with a release agent which may, optionally, be used on the surface of the fluoroelastomer layer.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: September 5, 2000
    Assignee: Eastman Kodak Company
    Inventors: Biao Tan, Jiann H. Chen, Tonya D. Binga, Douglas B. Wilkins
  • Patent number: 6096429
    Abstract: A fuser member useful for heat-fixing an electrographic toner to a substrate. The fuser member has a core and a layer overlying the core. The layer includes a cured fluorocarbon random copolymer having subunits with the general structures:--(CH.sub.2 CF.sub.2).sub.x --, --(CF.sub.2 CF.sub.2).sub.z --,and ##STR1## where x is from 30 to 90 mole percent, y is from 10 to 70 mole percent, and z is from 0 to 34 mole percent. The layer incorporates particulate filler. The filler includes zinc oxide, cupric oxide and a material selected from the group consisting of alkali metal oxides, alkali metal hydroxides, and combinations thereof. The filler has a total concentration in the layer of 12 to 75 percent of the total volume of the layer. The zinc oxide and cupric oxide have a total concentration of 10 to 70 percent of the total volume of the layer.
    Type: Grant
    Filed: May 29, 1998
    Date of Patent: August 1, 2000
    Assignee: Eastman Kodak Company
    Inventors: Jiann-Hsing Chen, Biao Tan, Tonya D. Binga, Charles E. Hewitt
  • Patent number: 6090491
    Abstract: A fuser member having improved toner offset release and wear characteristics. The outermost layer comprises a fluoroelastomer with thermally conductive fillers selected from aluminum oxide, cupric oxide, and mixtures thereof which are surface treated with a styryl-functionalized silane coupling agent that is interactive with the fluoroelastomer.
    Type: Grant
    Filed: February 27, 1998
    Date of Patent: July 18, 2000
    Assignee: Eastman Kodak Company
    Inventors: Biao Tan, Jiann-Hsing Chen, Tonya D. Binga
  • Patent number: 6067438
    Abstract: A release agent donor member for a toner fixing system, the donor member includes: a base member; an optional intermediate layer; and an outermost layer of a polymeric composition containing a cured interpenetrating network or (a) fluorocarbon elastomer and (b) at least one silicone elastomer of polyfunctional poly(C.sub.(1-6) alkyl) siloxane polymer; polyfunctional poly(C.sub.(1-6) alkyl)arylsiloxane polymer; and combinations thereof; wherein a functionalist release agent is applied to the outer surface of the outermost layer; and wherein the outermost layer contains a metal oxide in an amount sufficient to interact with the functionalist release agent. The fluorocarbon elastomer can be a terpolymer of vinylideneflouride, hexafluoropropylene, and tetraflouroethylene, wherein the vinylideneflouride is present in an amount greater than 45 mole percent.
    Type: Grant
    Filed: September 18, 1998
    Date of Patent: May 23, 2000
    Assignee: Eastman Kodak Company
    Inventors: Jiann-Hsing Chen, Stephen V. Davis, Biao Tan, James E. Mathers, Borden H. Mills
  • Patent number: 6010791
    Abstract: A fusing belt that comprises: a seamless polyimide substrate; and coated thereon, a surface layer comprising a polyimide-polydimethylsiloxane block copolymer.
    Type: Grant
    Filed: February 27, 1998
    Date of Patent: January 4, 2000
    Assignee: Eastman Kodak Company
    Inventors: Biao Tan, Jiann-Hsing Chen, Muhammed Aslam, Charles E. Hewitt
  • Patent number: 6007918
    Abstract: A fusing belt that comprises: a seamless polyimide substrate; and coated thereon, a surface layer comprising a hexafluoroisopropylidene-2,2-bis-phthalic anhydride (6F)/5(6)amino-(4-aminophenyl)-1,1,3-triimethylindane (Nv) polyimide and PDMS(6F/Nv-PDMS) block copolymer. A method of forming a fused toner image is also provided.
    Type: Grant
    Filed: February 27, 1998
    Date of Patent: December 28, 1999
    Assignee: Eastman Kodak Company
    Inventors: Biao Tan, Jiann-Hsing Chen, Scott E. Tunney, Muhammed Aslam, Charles E. Hewitt
  • Patent number: 5998033
    Abstract: A fuser member having improved toner offset release and wear characteristics. The outermost layer comprises a fluoroelastomer with thermally conductive metal oxide fillers and a silane coupling agent that is interactive with the fluoroelastomer and with a release agent which may, optionally, be used on the surface of the fluoroelastomer layer.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: December 7, 1999
    Assignee: Eastman Kodak Company
    Inventors: Biao Tan, Jiann H. Chen, Tonya D. Binga, Douglas B. Wilkins
  • Patent number: 5935712
    Abstract: A fuser member having improved toner offset release and wear characteristics. The outermost layer comprises a fluoroelastomer with thermally conductive fillers which are surface treated with a coupling agent that is interactive with the fluoroelastomer and with a release agent which may, optionally, be used on the surface of the fluoroelastomer layer.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: August 10, 1999
    Assignee: Eastman Kodak Company
    Inventors: Biao Tan, Jiann H. Chen, Tonya D. Binga, William J. Staudenmayer