Patents by Inventor Steven K. Evnochides

Steven K. Evnochides 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).

  • Patent number: 4278510
    Abstract: Propylene polymer compositions that are easily plated with metals to provide strongly adherent coatings are provided. Typically, such compositions consist essentially of:a. 100 parts by weight of a propylene polymer,b. 20-150 parts by weight of an electrically conductive carbon black,c. 0.2-2.5 parts by weight of sulfur andd. 0.5-10 parts by weight of a maleic anhydride-modified propylene polymer.
    Type: Grant
    Filed: March 31, 1980
    Date of Patent: July 14, 1981
    Assignee: Gulf Oil Corporation
    Inventors: James C. W. Chien, Steven K. Evnochides, Joseph A. Howlett