Patents by Inventor Anthony Garry Harrison

Anthony Garry Harrison 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).

  • Polyesters
    Patent number: 5756644
    Abstract: A process of producing a cyclic polyester oligomer mixture using a solid support system is described. A preferred cyclic polyester mixture contains at least one cyclic polyester oligomer containing 15 or more repeat units. Cyclic ethylene terephthalate oligomers are particularly preferred. The cyclic polyester oligomers may be converted to high molecular weight linear polyesters by heating in the presence of a catalyst.
    Type: Grant
    Filed: January 7, 1997
    Date of Patent: May 26, 1998
    Assignee: Imperial Chemical Industries PLC
    Inventors: Philip Hodge, Joseph Anthony Semlyen, Anthony Garry Harrison
  • Composite sheet having improved adhesive properties and methods of making same
    Patent number: 5667886
    Abstract: A composite sheet has a substrate layer, a coating layer and a flexible adhesive layer. The substrate layer is preferably a polyester film. The coating layer contains a layer mineral. The flexible adherent layer has a percentage elongation to break of greater that 150%. The composite sheet exhibits oxygen barrier properties and is suitable for use as a packaging film, particularly when laminated to a heat-sealable layer.
    Type: Grant
    Filed: September 25, 1995
    Date of Patent: September 16, 1997
    Assignee: Imperial Chemical Industries PLC
    Inventors: Thane Colin Gough, Pamela Moira Jeffels, Anthony Garry Harrison