Patents by Inventor Bryce V. Johnon

Bryce V. Johnon 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).

  • Extrudable thermoplastic hydrocarbon polymer composition
    Patent number: 5015693
    Abstract: An extrudable composition comprising thermoplastic hydrocarbon polymer, poly(oxyalkylene) polymer and fluorocarbon polymer. The poly(oxyalkylene) polymer and the fluorocarbon polymer are present in the composition in such relative proportions and concentrations as to reduce the occurence of melt defects during the extrusion of said hydrocarbon polymer composition.
    Type: Grant
    Filed: May 23, 1989
    Date of Patent: May 14, 1991
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Denis Duchesne, Bryce V. Johnon