Patents by Inventor Jonathan P. Foulkes

Jonathan P. Foulkes 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: 5318834
    Abstract: Biaxially oriented polymeric films consisting of a core layer of voided polypropylene with a layer of non-voided polypropylene homopolymer on one surface and a layer of a heat sealable polymer on the non-voided layer, the other surface of the core layer having at least one non-voided polymeric layer thereon. Such films have shown good puncture resistance combined with good gloss for the heat sealable polymer layer on the non-voided homopolymer layer.
    Type: Grant
    Filed: December 2, 1992
    Date of Patent: June 7, 1994
    Assignee: Courtaulds Films (Holdings) Limited
    Inventors: Jonathan P. Foulkes, David Williamson