Patents by Inventor John W. Marx

John W. Marx 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).

  • Opalescent polymer compositions
    Patent number: 3948845
    Abstract: Opalescent-appearing compositions are prepared by dispersing conjugated diene/vinyl aromatic compound copolymers in a suitable solvent. Encapsulated compositions of this invention display the colors and brilliance of precious opal.
    Type: Grant
    Filed: October 17, 1974
    Date of Patent: April 6, 1976
    Assignee: Phillips Petroleum Company
    Inventors: John W. Marx, James N. Short