Patents by Inventor George J. Heeks

George J. Heeks 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: 6297302
    Abstract: Disclosed is a composition comprising a crosslinked product of a liquid composition which comprises (a) a fluorosilicone, (b) a crosslinking agent and (c) a thermal stabilizing agent comprising a reaction product of (i) a cyclic unsaturated-alkyl-group-substituted polyorganosiloxane, (ii) a linear unsaturated-alkyl-group-substituted polyorganosiloxane, and (iii) a metal acetylacetonate or metal oxalate compound. The crosslinked fluorosilicones can be employed as intermediate or outer layers of electrostatographic fuser members, electrostatographic intermediate transfer belt materials and the like. They are useful in applications wherein materials possessing desirable release characteristics, surface energies, electrical characteristics, oil resistance properties, or solvent resistance properties exhibited by fluorosilicone elastomers are desirable.
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: October 2, 2001
    Assignee: Xerox Corporation
    Inventors: George J. Heeks, David J. Gervasi, Arnold W. Henry, Santokh S. Badesha
  • Publication number: 20010019768
    Abstract: Disclosed is a fuser member comprising a substrate, a layer thereover comprising a polymer, and, on the polymeric layer, a coating of a release agent comprising polyorganosiloxanes having tertiary amino functional groups on at least some of the molecules thereof.
    Type: Application
    Filed: April 20, 2001
    Publication date: September 6, 2001
    Applicant: Xerox Corporation
    Inventors: Samuel Kaplan, Clifford O. Eddy, Arnold W. Henry, Santokh S. Badesha, George J. Heeks, Che C. Chow, David H. Pan, Louis D. Fratangelo, David J. J. Fraser, Yu-Hsing Chin
  • Patent number: 6261688
    Abstract: Disclosed is a fuser member comprising a substrate, a layer thereover comprising a polymer, and, on the polymeric layer, a coating of a release agent comprising polyorganosiloxanes having tertiary amino functional groups on at least some of the molecules thereof.
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: July 17, 2001
    Assignee: Xerox Corporation
    Inventors: Samuel Kaplan, Clifford O. Eddy, Arnold W. Henry, Santokh S. Badesha, George J. Heeks, Che C. Chow, David H. Pan, Louis D. Fratangelo, David J. J. Fraser, Yu-hsing Chin
  • Patent number: 6253055
    Abstract: A fuser member having a fuser member release agent for use in an electrophotographic apparatus for enhancing toner release from a fuser member, the fuser member having a substrate, an outer fluoropolymer layer optionally having a conductive filler, and a silicone hydride release oil component thereover and methods and imaging apparatus thereof, are set forth.
    Type: Grant
    Filed: November 5, 1996
    Date of Patent: June 26, 2001
    Assignee: Xerox Corporation
    Inventors: Santokh S. Badesha, David H. Pan, Samuel Kaplan, Clifford O. Eddy, Arnold W. Henry, George J. Heeks, Che C. Chow, Louis D. Fratangelo, David J. J. Fraser, Edward C. Hanzlik
  • Patent number: 6103815
    Abstract: A composition comprising a latex fluorocarbon elastomer and fluorinated carbon, xerographic component surfaces comprising such latex fluorocarbon elastomer and fluorinated carbon compositions, and image forming apparatii including such xerographic components are disclosed herein.
    Type: Grant
    Filed: February 17, 1998
    Date of Patent: August 15, 2000
    Assignee: Xerox Corporation
    Inventors: Joseph Mammino, Robert M. Ferguson, George J. Heeks, Arnold W. Henry, Santokh S. Badesha, Ihor W. Tarnawskyj, Frederick E. Knier, Jr., Martin A. Abkowitz, Kock-Yee Law
  • Patent number: 6045961
    Abstract: Disclosed is a fuser release agent comprising (a) a polyorganosiloxane, and (b) a stabilizing agent comprising a reaction product of (i) a metal acetylacetonate or metal oxalate compound, (ii) a linear unsaturated-alkyl-group-substituted polyorganosiloxane, and (iii) a cyclic unsaturated-alkyl-group-substituted polyorganosiloxane.
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: April 4, 2000
    Assignee: Xerox Corporation
    Inventors: George J. Heeks, David J. Gervasi, Arnold W. Henry, Santokh S. Badesha
  • Patent number: 6037092
    Abstract: Disclosed is a fuser member comprising a substrate and at least one layer thereover, said layer comprising a crosslinked product of a liquid composition which comprises (a) a fluorosilicone, (b) a crosslinking agent, and (c) a thermal stabilizing agent comprising a reaction product of (i) a cyclic unsaturated-alkyl-group-substituted polyorganosiloxane, (ii) a linear unsaturated-alkyl-group-substituted polyorganosiloxane, and (iii) a metal acetylacetonate or metal oxalate compound.
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: March 14, 2000
    Assignee: Xerox Corporation
    Inventors: George J. Heeks, David J. Gervasi, Arnold W. Henry, Santokh S. Badesha
  • Patent number: 5999781
    Abstract: An apparatus and process for reducing accumulation of toner from the surface of an electrode member in a development unit of an electrostatographic printing apparatus by providing an composition coating including a polyimide or epoxy resin, an optional lubricant and metal compound selected from the group consisting of chromium (III) oxide, zinc oxide, cobalt oxide, nickel oxide, cupric oxide, cuprous oxide, chromium sulfate and cadmium sulfide on at least a portion of the electrode member.
    Type: Grant
    Filed: August 31, 1998
    Date of Patent: December 7, 1999
    Assignee: Xerox Corporation
    Inventors: David J. Gervasi, George J. Heeks, Santokh S. Badesha, George J. Bingham
  • Patent number: 5933695
    Abstract: An rapid wake up fuser system member for use in an electrophotographic apparatus for fusing toner images to a copy substrate, the fuser member having a substrate, a heat transmissive layer having a silicone material and a Q-resin provided on the substrate layer, and a polymer-containing toner release layer provided on the heat transmissive layer.
    Type: Grant
    Filed: August 3, 1998
    Date of Patent: August 3, 1999
    Assignee: Xerox Corporation
    Inventors: Arnold W. Henry, George J. Heeks, David J. Gervasi
  • Patent number: 5864740
    Abstract: A thermally stabilized silicone liquid composition and a toner fusing system using the thermally stabilized silicone liquid composition as a release agent are described, wherein the thermally stabilized silicone liquid composition is composed of a silicone liquid and a thermal stabilizer composition including a reaction product from at least a polyorganosiloxane and a platinum metal compound such as a ruthenium compound, excluding platinum.
    Type: Grant
    Filed: April 8, 1997
    Date of Patent: January 26, 1999
    Assignee: Xerox Corporation
    Inventors: George J. Heeks, Santokh S. Badesha, Clifford O. Eddy, Arnold W. Henry, David J. Gervasi
  • Patent number: 5848327
    Abstract: An apparatus and process for reducing accumulation of toner from the surface of an electrode member in a development unit of an electrostatographic printing apparatus by providing a composition coating including a polymer, lubricant and inorganic material, on at least a portion of the electrode member.
    Type: Grant
    Filed: April 29, 1997
    Date of Patent: December 8, 1998
    Assignee: Xerox Corporation
    Inventors: Santokh S. Badesha, George J. Heeks, Arnold W. Henry, Paul C. Julien, David J. Gervasi, George J. Bingham
  • Patent number: 5830939
    Abstract: There is disclosed a viscosity reduction method including: (a) forming an azeotropic mixture including water and a liquid capable of forming the azeotropic mixture with the water in a coating composition comprised of the water, a solvent, and a polymeric material selected from the group consisting of a fluorohydrocarbon polymer and a grafted elastomer composed of a polyorganosiloxane bonded to a fluoroelastomer; and (b) agitating the coating composition including the azeotropic mixture, thereby reducing the viscosity of the coating composition.
    Type: Grant
    Filed: April 25, 1996
    Date of Patent: November 3, 1998
    Assignee: Xerox Corporation
    Inventors: Santokh S. Badesha, Robert M. Ferguson, Marko D. Saban, Sonja Hadzidedic, Arnold W. Henry, George J. Heeks, Nam S. Ro, John Abate
  • Patent number: 5805964
    Abstract: An apparatus and process for reducing accumulation of toner from the surface of an electrode member in a development unit of an electrostatographic printing apparatus by providing an inorganic coating on at least a portion of the electrode member.
    Type: Grant
    Filed: April 29, 1997
    Date of Patent: September 8, 1998
    Assignee: Xerox Corporation
    Inventors: Santokh S. Badesha, Arnold W. Henry, George J. Heeks, J. Stephen Kittelberger, John G. VanDusen, Suresh K. Ahuja, Merlin E. Scharfe, Richard L. Schank, Mark J. Hirsch
  • Patent number: 5787329
    Abstract: An apparatus and process for reducing accumulation of toner from the surface of an electrode member in a development unit of an electrostatographic printing apparatus by providing an organic coating on at least a portion of the electrode member.
    Type: Grant
    Filed: April 29, 1997
    Date of Patent: July 28, 1998
    Assignee: Xerox Corporation
    Inventors: John R. Laing, Edward J. Gutman, J. Stephen Kittelberger, John G. VanDusen, Suresh K. Ahuja, Merlin E. Scharfe, Richard L. Schank, Mark J. Hirsch, Santokh S. Badesha, Arnold W. Henry, George J. Heeks
  • Patent number: 5778290
    Abstract: An apparatus and process for reducing accumulation of toner from the surface of an electrode member in a development unit of an electrostatographic printing apparatus by providing a composite coating on at least a portion of the electrode member.
    Type: Grant
    Filed: April 29, 1997
    Date of Patent: July 7, 1998
    Assignee: Xerox Corporation
    Inventors: Santokh S. Badesha, Arnold W. Henry, George J. Heeks
  • Patent number: 5761587
    Abstract: An apparatus for reducing accumulation of toner from the surface of an electrode member in a development unit of an electrostatographic printing apparatus which includes providing a low surface energy coating on at least a portion of the electrode member.
    Type: Grant
    Filed: April 29, 1997
    Date of Patent: June 2, 1998
    Assignee: Xerox Corporation
    Inventors: John R. Laing, Edward J. Gutman, J. Stephen Kittelberger, John G. VanDusen, Suresh K. Ahuja, Merlin E. Scharfe, Richard L. Schank, Mark J. Hirsch, Santokh S. Badesha, Arnold W. Henry, George J. Heeks
  • Patent number: 5753307
    Abstract: Fluoroelastomer surfaces and a method for providing a fluoroelastomer surface on a supporting substrate which includes dissolving a fluoroelastomer; adding a dehydrofluorinating agent; adding an amino silane to form a resulting homogeneous fluoroelastomer solution; and subsequently providing at least one layer of the homogeneous fluoroelastomer solution to the supporting substrate.
    Type: Grant
    Filed: March 28, 1996
    Date of Patent: May 19, 1998
    Assignee: Xerox Corporation
    Inventors: Santokh S. Badesha, David H. Pan, George J. Heeks, Arnold W. Henry, Victor Berko-Boateng, Louis D. Fratangelo, Robert M. Ferguson
  • Patent number: 5750204
    Abstract: Fluoroelastomer surfaces and a method for providing a fluoroelastomer surface on a supporting substrate which includes dissolving a solid fluoroelastomer in a solvent, adding an amino silane in order to effect coupling and crosslinking and to form a resulting homogeneous fluoroelastomer solution, and subsequently providing a layer of the homogeneous fluoroelastomer solution to the supporting substrate is provided herein.
    Type: Grant
    Filed: March 28, 1996
    Date of Patent: May 12, 1998
    Assignee: Xerox Corporation
    Inventors: Santokh S. Badesha, George J. Heeks, Arnold W. Henry
  • Patent number: 5747212
    Abstract: A method of fusing and a fusing system are provided for a fusing member having a thermally stable FKM hydrofluoroelastomer surface for fusing thermoplastic resin toners which are susceptible to amines to a substrate in an electrostatographic printing apparatus with an amino functional oil having the formula: ##STR1## where 50.ltoreq.n.ltoreq.200, p is 1 to 5 and R.sub.1, R.sub.2 and R.sub.3 are selected from the group consisting of alkyl and arylalkyl radicals having 1 to 18 carbon atoms, R.sub.4 is selected from the group consisting of alkyl and arylalkyl radicals having 1 to 18 carbon atoms and a polyorganosiloxane chain having 1 to 100 diorganosiloxy repeat units, and R.sub.
    Type: Grant
    Filed: September 29, 1994
    Date of Patent: May 5, 1998
    Inventors: Samuel Kaplan, David H. Pan, George J. Heeks, Clifford O. Eddy, Che C. Chow, Santokh S. Badesha, Arnold W. Henry, Donald A. Seanor
  • Patent number: 5744200
    Abstract: Volume grafted elastomer surfaces and a method for providing a volume grafted elastomer surface on a supporting substrate which includes dissolving a fluoroelastomer in a solvent, adding a nucleophilic dehydrofluorinating agent, preferably an amino silane which acts as both a dehydrofluorinating agent and curing agent, a polymerization initiator and a polyorganosiloxane in amounts sufficient to effect formation of a volume graft elastomer, optionally adding an additional amount of amino silane as a curative in order to ensure complete curing of the volume grafted elastomer, and subsequently providing a layer of the homogeneous volume grafted elastomer solution to the supporting substrate are provided herein.
    Type: Grant
    Filed: March 28, 1996
    Date of Patent: April 28, 1998
    Assignee: Xerox Corporation
    Inventors: Santokh S. Badesha, George J. Heeks, Arnold W. Henry