Patents by Inventor David J. Gervasi

David J. Gervasi 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).

  • Pressure belt having polyimide outer layer
    Patent number: 6733943
    Abstract: A pressure belt useful in electrostatographic machines, having a polyimide substrate, an optional intermediate and/or adhesive layer, and an outer polyimide layer.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: May 11, 2004
    Assignee: Xerox Corporation
    Inventors: Patrick J. Finn, Robert S. Pawlik, Elizabeth L. Barrese, David J. Gervasi, Pat Goode, Santokh S. Badesha
  • Fuser member coating composition and processes for providing elastomeric surfaces thereon
    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
  • Fuser member coating composition and processes for providing elastomeric surfaces thereon
    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
  • FULLY FLUORINATED POLYMER COATED DEVELOPMENT ELECTRODES
    Publication number: 20040013450
    Abstract: An apparatus for reducing accumulation of toner from the surface of an electrode member in a development unit of an electrostatographic printing apparatus by providing a coating comprising a polymer comprising a fully fluorinated polymer on at least a portion of the electrode member.
    Type: Application
    Filed: July 18, 2002
    Publication date: January 22, 2004
    Applicant: Xerox Corporation
    Inventors: David J. Gervasi, Santokh S. Badesha, George J. Bingham
  • Processes for solubilizing organometallic compounds in fluorinated solvents by addition of a fluorinated non-catalytic co-solubilizer
    Publication number: 20040014862
    Abstract: A process for solubilizing an organometallic compound in a fluorinated solvent to form an organometallic solution by adding and reacting a co-solubilizer having a fully fluorinated polymer, an organometallic compound, and a fluorinated solvent, and the co-solubilizer has the ability to cause the organometallic compound to become miscible in a fluorinated solvent, and further, the co-solubilizer is not a catalyst and is present in the final organometallic solution.
    Type: Application
    Filed: July 18, 2002
    Publication date: January 22, 2004
    Applicant: Xerox Corporation
    Inventors: David J. Gervasi, Santokh S. Badesha, George J. Bingham
  • Coatings having fully fluorinated co-solubilizer, metal material and fluorinated solvent
    Publication number: 20040014853
    Abstract: An organometallic coating composition having an organometallic compound, a fully fluorinated co-solubilizer, and a fluorinated solvent, and the organometallic compound is miscible in the coating composition, and the co-solubilizer is present in the coating composition.
    Type: Application
    Filed: July 18, 2002
    Publication date: January 22, 2004
    Applicant: Xerox Corporation
    Inventors: David J. Gervasi, Santokh S. Badesha, George J. Bingham
  • Crosslinking of fluoropolymers with polyfunctional siloxanes for release enhancement
    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
  • Epoxy silane cured fluoropolymers
    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
  • Chlorofluoro elastomer compositions for use in electrophotographic fusing applications
    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
  • Organometallic coating compositions for development electrodes
    Publication number: 20030206753
    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 or copying apparatus by providing an organometallic coating composition including an organometallic material on at least a portion of the electrode member.
    Type: Application
    Filed: May 2, 2002
    Publication date: November 6, 2003
    Applicant: Xerox Corporation
    Inventor: David J. Gervasi
  • Fuser member having fluorocarbon outer layer
    Publication number: 20030207078
    Abstract: A fuser member having a polyimide substrate, and thereover, an outer layer with from about 61 to about 99 volume percent fluorocarbon.
    Type: Application
    Filed: May 28, 2003
    Publication date: November 6, 2003
    Applicant: Xerox Corporation
    Inventors: Patrick J. Finn, Robert S. Pawlik, Elizabeth L. Barrese, David J. Gervasi, Pat Goode, Santokh S. Badesha
  • Layer having polymer matrix and small molecules
    Patent number: 6558778
    Abstract: A component film having a surface layer and a polymer matrix layer, wherein the polymer matrix layer has a polymer and small molecules, and the polymer matrix is designed to allow the small molecules to diffuse through the polymer matrix layer to the surface layer upon the application of pressure or heat to the component film.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: May 6, 2003
    Assignee: Xerox Corporation
    Inventors: Santokh S. Badesha, David J. Gervasi
  • Functional fusing agent
    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
  • Fuser member having polyimide outer layer
    Publication number: 20030049056
    Abstract: A fuser component useful in electrostatographic machines, having a substrate, an optional intermediate and/or adhesive layer, and an outer polyimide layer.
    Type: Application
    Filed: September 7, 2001
    Publication date: March 13, 2003
    Applicant: Xerox Corporation
    Inventors: Patrick J. Finn, Robert S. Pawlik, Elizabeth L. Barrese, David J. Gervasi, Pat Goode, Santokh S. Badesha
  • Fuser member having high temperature plastic layer
    Publication number: 20030049057
    Abstract: A fuser component useful in electrostatographic machines, having an optional substrate, an optional intermediate and/or adhesive layer, and a layer of a high temperature plastic such as epoxy, polyketone, polyether, polyamide, and polyparabanic acid.
    Type: Application
    Filed: September 7, 2001
    Publication date: March 13, 2003
    Applicant: Xerox Corporation
    Inventors: Patrick J. Finn, Elizabeth L. Barrese, Pat Goode, David J. Gervasi
  • Polydimethylsiloxane and fluorosurfactant fusing release agent
    Patent number: 6515069
    Abstract: A release agent having a polydimethylsiloxane and a fluorosurfactant other than a silicone glycol polymer, a perfluoroalkylsubstituted polyethylene glycol, or a perfluoroalkylsubstituted silane.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: February 4, 2003
    Assignee: Xerox Corporation
    Inventors: David J. Gervasi, Samuel Kaplan, George A. Riehle
  • Transfix component with layer having polymer matrix with small molecules and image forming apparatus with same
    Publication number: 20030021965
    Abstract: A transfix member comprising a heating member and a component film having a surface layer and a polymer matrix layer, wherein the polymer matrix layer contains a polymer and small molecules, and the polymer matrix layer is designed to allow the small molecules to diffuse through the polymer matrix to the surface layer upon the application of pressure or heat to the component film.
    Type: Application
    Filed: September 24, 2002
    Publication date: January 30, 2003
    Applicant: Xerox Corporation
    Inventors: Santokh S. Badesha, David J. Gervasi
  • Functional fusing agent
    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
  • Transfix component with layer having polymer matrix with small molecules and image forming apparatus with same
    Patent number: 6482504
    Abstract: A transfix member comprising a heating member and a component film having a surface layer and a polymer matrix layer, wherein the polymer matrix layer contains a polymer and small molecules, and the polymer matrix layer is designed to allow the small molecules to diffuse through the polymer matrix to the surface layer upon the application of pressure or heat to the component film.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: November 19, 2002
    Assignee: Xerox Corporation
    Inventors: Santokh S. Badesha, David J. Gervasi
  • Coating compositions for development electrodes
    Patent number: 6456812
    Abstract: An improved 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 comprising a water-emulsified polymer, lubricant and inorganic material on at least a portion of the electrode member.
    Type: Grant
    Filed: September 5, 2000
    Date of Patent: September 24, 2002
    Assignee: Xerox Corporation
    Inventors: David J. Gervasi, Yelena Shapiro, Kip L. Jugle, Santokh S. Badesha, George J. Bingham, William H. Wayman