Patents by Inventor John Tynan

John Tynan 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: 6048610
    Abstract: A primer coating composition for use in polyolefin-backed pressure sensitive tape comprising a maleic anhydride modified chlorinated polyolefin covalently bonded to a maleic anhydride modified A-B-A block copolymer, where A is a thermoplastic polystyrene and B is a rubber midblock, by means of a crosslinking agent capable of reacting with the maleic anhydride functional groups in said polyolefin and said block copolymer a polyolefin-backed pressure sensitive tape employing the primer coating composition; and a method for manufacturing a polyolefin-backed pressure sensitive tape employing the primer coating composition are described.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: April 11, 2000
    Assignee: Intertape Polymer Group, Inc.
    Inventors: Richard St. Coeur, William E. Hatfield, John Tynan