Patents by Inventor Francis M. Thompson

Francis M. Thompson 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).

  • Metallized breathable films prepared from melt embossed polyolefin/filler precursor films
    Patent number: 5055338
    Abstract: A breathable metallized polyolefin film is prepared by: melt embossing a highly filled polyolefin film to impose a pattern of different film thickness therein; stretching the melt embossed film to impart greater permeability in the area of reduced thickness in comparison to the areas of greater thickness; and coating the resulting stretched embossed film with a suitable metal.
    Type: Grant
    Filed: September 29, 1988
    Date of Patent: October 8, 1991
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Paresh J. Sheth, Francis M. Thompson
  • Butyl/resin blend latex used to coat polypropylene fabrics
    Patent number: 4117186
    Abstract: Improved butyl rubber-hydrocarbon resin latex compositions are prepared by emulsifying a solution of butyl rubber and a hydrocarbon resin in a one-step process wherein the emulsifying agent is the sodium salt of the sulfate ester of nonylphenoxypoly(ethyleneoxy) ethanol. The films formed therefrom exhibit improved properties over compositions prepared from blends of latices of butyl rubber and hydrocarbon resins.
    Type: Grant
    Filed: February 8, 1977
    Date of Patent: September 26, 1978
    Assignee: Exxon Research & Engineering Co.
    Inventors: Charles P. O'Farrell, Paul L. Malloy, Francis M. Thompson