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: 6951667
    Abstract: A method for providing a crosslinked fluorocarbon elastomer surface on a fuser member supporting substrate, which includes mixing together an acid acceptor, an emulsifier, water, and non-amino based crosslinker with a latex fluorocarbon elastomer, and the crosslinker is a diepoxy or disilylalkoxy-based crosslinker, or a combination thereof.
    Type: Grant
    Filed: February 6, 2004
    Date of Patent: October 4, 2005
    Assignee: Xerox Corporation
    Inventors: Santokh S. Badesha, Clifford O. Eddy, David J. Gervasi, George J. Heeks, Arnold W. Henry
  • Patent number: 6838140
    Abstract: A fuser component useful in electrostatographic machines, having a substrate, and thereover a silicone rubber layer having the crosslinked product of at least one platinum catalyzed addition curable vinyl terminated polyorganosiloxane, aluminum oxide fillers, iron oxide fillers, a crosslinking agent, and having an optional outer fluoroelastomer layer.
    Type: Grant
    Filed: June 13, 2003
    Date of Patent: January 4, 2005
    Assignee: Xerox Corporation
    Inventors: George J. Heeks, Arnold W. Henry, Santokh S. Badesha, David J. Gervasi
  • Publication number: 20040253436
    Abstract: A fuser component useful in electrostatographic machines, having a substrate, and thereover a silicone rubber layer having the crosslinked product of at least one platinum catalyzed addition curable vinyl terminated polyorganosiloxane, aluminum oxide fillers, iron oxide fillers, a crosslinking agent, and having an optional outer fluoroelastomer layer.
    Type: Application
    Filed: June 13, 2003
    Publication date: December 16, 2004
    Applicant: Xerox Corporation
    Inventors: George J. Heeks, Arnold W. Henry, Santokh S. Badesha, David J. Gervasi
  • Publication number: 20040180145
    Abstract: A method for providing a crosslinked fluorocarbon elastomer surface on a fuser member supporting substrate, which includes mixing together an acid acceptor, an emulsifier, water, and non-amino based crosslinker with a latex fluorocarbon elastomer, and the crosslinker is a diepoxy or disilylalkoxy-based crosslinker, or a combination thereof.
    Type: Application
    Filed: February 6, 2004
    Publication date: September 16, 2004
    Applicant: Xerox Corporation
    Inventors: Santokh S. Badesha, Clifford O. Eddy, David J. Gervasi, George J. Heeks, Arnold W. Henry
  • Patent number: 6743561
    Abstract: Disclosed is a fusing release agent comprising the reaction product of a primary- or secondary-amino-functionalized polyorganosiloxane oil and a low molecular weight, non-sterically-hindered aldehyde or ketone.
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: June 1, 2004
    Assignee: Xerox Corporation
    Inventors: George J. Heeks, Santokh S. Badesha, Samuel Kaplan, David J. Gervasi, Che C. Chow, Arnold W. Henry
  • Patent number: 6733839
    Abstract: Fuser members and processes are provided for crosslinked fluorocarbon elastomer surfaces containing a fluorocarbon elastomer and a non-amino crosslinker together with methods for providing a crosslinked fluorocarbon elastomer surface on a fuser member supporting substrate which include mixing together an acid acceptor, an emulsifier, water, and non-amino based crosslinker with a latex fluorocarbon elastomer.
    Type: Grant
    Filed: March 10, 2003
    Date of Patent: May 11, 2004
    Assignee: Xerox Corporation
    Inventors: Santokh S. Badesha, Clifford O. Eddy, David J. Gervasi, George J. Heeks, Arnold W. Henry
  • Patent number: 6716502
    Abstract: Fuser members and processes are provided for crosslinked fluorocarbon elastomer surfaces containing a fluorocarbon elastomer and a non-amino crosslinker together with methods for providing a crosslinked fluorocarbon elastomer surface on a fuser member supporting substrate which include mixing together an acid acceptor, an emulsifier, water, and non-amino based crosslinker with a latex fluorocarbon elastomer.
    Type: Grant
    Filed: October 11, 1999
    Date of Patent: April 6, 2004
    Assignee: Xerox Corporation
    Inventors: Santokh S. Badesha, Clifford O. Eddy, David J. Gervasi, George J. Heeks, Arnold W. Henry
  • Publication number: 20040018310
    Abstract: Fuser members and processes are provided for crosslinked fluorocarbon elastomer surfaces containing a fluorocarbon elastomer and a non-amino crosslinker together with methods for providing a crosslinked fluorocarbon elastomer surface on a fuser member supporting substrate which include mixing together an acid acceptor, an emulsifier, water, and non-amino based crosslinker with a latex fluorocarbon elastomer.
    Type: Application
    Filed: March 10, 2003
    Publication date: January 29, 2004
    Applicant: Xerox Corporation
    Inventors: Santokh S. Badesha, Clifford O. Eddy, David J. Gervasi, George J. Heeks, Arnold W. Henry
  • Patent number: 6680095
    Abstract: Fluoroelastomer compositions containing polyfunctional triaminopolysiloxanes having sterically large siloxane groups are disclosed. Compositions may be cured and are particularly suitable for use as surface release layers for fusing systems used in electrostatographic imaging systems.
    Type: Grant
    Filed: January 30, 2001
    Date of Patent: January 20, 2004
    Assignee: Xerox Corporation
    Inventors: David J. Gervasi, George A. Riehle, George J. Heeks, Arnold W. Henry, Santokh S. Badesha
  • Patent number: 6678495
    Abstract: Disclosed is a fuser member comprising a substrate and at least one layer thereover, said layer comprising a crosslinked product of a composition which comprises (a) a fluoroelastomer, and (b) an epoxy silane curative.
    Type: Grant
    Filed: October 11, 1999
    Date of Patent: January 13, 2004
    Assignee: Xerox Corporation
    Inventors: Santokh S. Badesha, George J. Heeks, Robert M. Ferguson, David J. Gervasi, Arnold W. Henry
  • Publication number: 20040005421
    Abstract: Elastomer compositions comprising a blend of a fluoroelastomer comprising a terpolymer of vinylidene fluoride, tetrafluoroethylene and hexafluoropropylene and a chlorofluoroelastomer comprising a co-or terpolymer of vinylidene fluoride, chlorotrifluoroethylene and 0-40 mole % of hexafluoropropylene are provided. The composition may be cured and is particularly suitable for use as a surface release layer for fusing systems used in electrostatographic imaging systems.
    Type: Application
    Filed: June 11, 2003
    Publication date: January 8, 2004
    Applicant: Xerox Corporation
    Inventors: David J. Gervasi, George A. Riehle, George J. Heeks, Arnold W. Henry, Santokh S. Badesha
  • Patent number: 6566027
    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: April 20, 2001
    Date of Patent: May 20, 2003
    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
  • Publication number: 20030060592
    Abstract: Disclosed is a fusing release agent comprising the reaction product of a primary- or secondary-amino-functionalized polyorganosiloxane oil and a low molecular weight, non-sterically-hindered aldehyde or ketone.
    Type: Application
    Filed: September 25, 2002
    Publication date: March 27, 2003
    Applicant: Xerox Corporation
    Inventors: George J. Heeks, Santokh S. Badesha, Samuel Kaplan, David J. Gervasi, Che C. Chow, Arnold W. Henry
  • Patent number: 6485835
    Abstract: Disclosed is a fusing release agent comprising the reaction product of a primary- or secondary-amino-functionalized polyorganosiloxane oil and a low molecular weight, non-sterically-hindered aldehyde or ketone
    Type: Grant
    Filed: August 16, 1999
    Date of Patent: November 26, 2002
    Assignee: Xerox Corporation
    Inventors: George J. Heeks, Santokh S. Badesha, Samuel Kaplan, David J. Gervasi, Che C. Chow, Arnold W. Henry
  • Publication number: 20020132074
    Abstract: Elastomer compositions comprising a blend of a fluoroelastomer comprising a terpolymer of vinylidene fluoride, tetrafluoroethylene and hexafluoropropylene and a chlorofluoroelastomer comprising a co-or terpolymer of vinylidene fluoride, chlorotrifluoroethylene and 0-40 mole % of hexafluoropropylene are provided. The composition may be cured and is particularly suitable for use as a surface release layer for fusing systems used in electrostatographic imaging systems.
    Type: Application
    Filed: January 30, 2001
    Publication date: September 19, 2002
    Inventors: David J. Gervasi, George A. Riehle, George J. Heeks, Arnold W. Henry, Santokh S. Badesha
  • Patent number: 6447918
    Abstract: The present invention relates to electrostatographic fuser system members such as fuser rolls or belts having an outer surface layer comprising an interpenetrating polymer network comprising polytetrafluoroethylene and a cured polysiloxane elastomer, and a method for making such fuser system members.
    Type: Grant
    Filed: January 30, 2001
    Date of Patent: September 10, 2002
    Assignee: Xerox Corporation
    Inventors: David J. Gervasi, George A. Riehle, George J. Heeks, Arnold W. Henry, Santokh S. Badesha
  • Publication number: 20020102374
    Abstract: Fluoroelastomer compositions containing polyfunctional triaminopolysiloxanes having sterically large siloxane groups are disclosed. Compositions may be cured and are particularly suitable for use as surface release layers for fusing systems used in electrostatographic imaging systems.
    Type: Application
    Filed: January 30, 2001
    Publication date: August 1, 2002
    Inventors: David J. Gervasi, George A. Riehle, George J. Heeks, Arnold W. Henry, Santokh S. Badesha
  • Publication number: 20020102410
    Abstract: The present invention relates to electrostatographic fuser system members such as fuser rolls or belts having an outer surface layer comprising an interpenetrating polymer network comprising polytetrafluoroethylene and a cured polysiloxane elastomer, and a method for making such fuser system members.
    Type: Application
    Filed: January 30, 2001
    Publication date: August 1, 2002
    Inventors: David J. Gervasi, George A. Riehle, George J. Heeks, Arnold W. Henry, Santokh S. Badesha
  • Publication number: 20020061364
    Abstract: Fuser members and processes are provided for crosslinked fluorocarbon elastomer surfaces containing a fluorocarbon elastomer and a non-amino crosslinker together with methods for providing a crosslinked fluorocarbon elastomer surface on a fuser member supporting substrate which include mixing together an acid acceptor, an emulsifier, water, and non-amino based crosslinker with a latex fluorocarbon elastomer.
    Type: Application
    Filed: January 8, 2002
    Publication date: May 23, 2002
    Applicant: Xerox Corporation
    Inventors: Santokh S. Badesha, Clifford O. Eddy, David J. Gervasi, George J. Heeks, Arnold W. Henry
  • Patent number: 6336026
    Abstract: Disclosed is a transfer member 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, said transfer member having surface a resistivity of from about 104 to about 1016 ohms per square. The crosslinked fluorosilicone can be employed as intermediate or outer layers of electrostatographic fuser members.
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: January 1, 2002
    Assignee: Xerox Corporation
    Inventors: George J. Heeks, David J. Gervasi, Arnold W. Henry, Santokh S. Badesha