Patents by Inventor James H. Coker, Jr.

James H. Coker, Jr. 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).

  • Stabilized polyketone polymers
    Patent number: 5141981
    Abstract: Polymer compositions comprising an intimate mixture of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and a hydroxyapatite demonstrate improved stability.
    Type: Grant
    Filed: September 27, 1990
    Date of Patent: August 25, 1992
    Assignee: Shell Oil Company
    Inventors: Eric R. George, James H. Coker, Jr.