Patents by Inventor Rodger G. Johnson

Rodger G. Johnson 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).

  • Fluoropolymer compositions
    Patent number: 5275887
    Abstract: A composition comprising (a) a vinylidene fluoride-hexafluoropropylene thermoplastic copolymer and (b) a fluoroelastomer, such as vinylidene fluoride-hexafluoropropylene elastomeric copolymer, at least one of (a) and (b) being cross-linked, exhibits excellent physical properties. The composition is particularly useful in the form of a heat recoverable article or as wire and cable insulation.
    Type: Grant
    Filed: February 11, 1992
    Date of Patent: January 4, 1994
    Assignee: Raychem Corporation
    Inventors: Rodger G. Johnson, Carl J. Weber
  • Fluoropolymer compositions
    Patent number: 5109071
    Abstract: A composition comprising (a) a vinylidene fluoride-hexafluoropropylene thermoplastic copolymer and (b) a fluoroelastomer, such as vinylidene fluoride-hexafluoropropylene elastomeric copolymer, at least one of (a) and (b) being cross-linked, exhibits excellent physical properties. The composition is particularly useful in the form of a heat recoverable article or as wire and cable insulation.
    Type: Grant
    Filed: September 20, 1991
    Date of Patent: April 28, 1992
    Assignee: Raychem Corporation
    Inventors: Rodger G. Johnson, Carl J. Weber