Patents by Inventor Stewart Kessel

Stewart Kessel 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: 7763670
    Abstract: An energy-core ink or varnish composition is provided for use in an in-mold decoration (IMD) process, comprising an energy-curable resin, additional reactive monomers and/or oligomers and, optionally and in an amount not exceeding 10% by weight, a solvent, wherein the resin comprises a urethane acrylate oligomer having an aromatic or aliphatic polycarbonate backbone. For inks, the composition additionally includes a pigment or dye. For photocure compositions, a photoinitiator is also included. Also provided is an in-mold decoration (IMD) process employing the ink or varnish composition.
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: July 27, 2010
    Assignee: Sun Chemical Corporation
    Inventors: Stewart Kessel, Clive Lawrence, Nandakumar Menon
  • Publication number: 20070106017
    Abstract: An energy-curable coating composition comprises a water-soluble or water-dispersible binder capable of being poly-merised by exposure to a source of radiation, a particulate electrically conductive material, and water as a non-reactive diluent, and, if necessary, a photoinitiator, the composition, when cured, having a resistivity no greater than 1 ohm/square, as measured by ASTM F1896-98. The cured product can be used as a conductive coating or ink for use in such applications as RFID tags.
    Type: Application
    Filed: October 14, 2004
    Publication date: May 10, 2007
    Applicant: Sun Chemical Corporation
    Inventors: Stewart Kessel, James Welch
  • Publication number: 20060052477
    Abstract: An energy-core ink or varnish composition is provided for use in an in-mould decoration (IMD) process, comprising an energy-curable resin, additional reactive monomers and/or oligomers and, optionally and in an amount not exceeding 10% by weight, a solvent, wherein the resin comprises a urethane acrylate oligomer having an aromatic or aliphatic polycarbonate backbone. For inks, the composition additionally includes a pigment or dye. For photocure compositions, a photoinitiator is also included. Also provided is an in-mould decoration (IMD) process employing the ink or varnish composition.
    Type: Application
    Filed: September 26, 2001
    Publication date: March 9, 2006
    Inventors: Stewart Kessel, Clive Lawrence, Nandakumar Menon