Patents by Inventor Jeffrey D. Marshall

Jeffrey D. Marshall 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: 4151318
    Abstract: Laminar thermoplastic film constructions comprising a layer of low density polyethylene bonded to a layer of a dissimilar polymer or blend of polymers including high density polyethylene; blends of high density polyethylene copolymers and fractional melt index low density polyethylene; and blends of high density polyethylene with an ethylene vinyl acetate copolymer and fractional melt index low density polyethylene. Such laminates are particularly suitable for bag constructions.
    Type: Grant
    Filed: June 21, 1976
    Date of Patent: April 24, 1979
    Assignee: Mobil Oil Corporation
    Inventor: Jeffrey D. Marshall
  • Patent number: 4058643
    Abstract: A fire retardant laminate construction comprising a plastic backing film adhesively secured to an insulation batting material. The adhesive material comprises an intumescent coating, containing one or more fire retardant additives, which will foam and char at high temperatures to form a solid multicellular, fire retardant insulating layer which prevents wicking of the plastic material into the insulation batting.
    Type: Grant
    Filed: June 21, 1976
    Date of Patent: November 15, 1977
    Assignee: Mobile Oil Corporation
    Inventors: Jeffrey D. Marshall, Milton C. Kuklies