Patents by Inventor Phillips Christopherson

Phillips Christopherson 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).

  • Conductive polymer processable as a thermoplastic
    Patent number: 4265789
    Abstract: A flexible conductive composition of carbon black or other fine conductive particles dispersed in a high molecular weight polymer matrix composed of two phases--a soft elastomeric, low glass transition temperature phase and a hard, crystalline and high glass transition temperature phase.
    Type: Grant
    Filed: October 22, 1979
    Date of Patent: May 5, 1981
    Assignee: Polymer Cencentrates, Inc.
    Inventors: Phillips Christopherson, Rene Aelion