Patents by Inventor Tommey A. Yokley, Jr.

Tommey A. Yokley, 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).

  • Flame-resistant polyolefin compositions
    Patent number: 4216138
    Abstract: The fire-resistance properties of polyolefin compositions containing certain phosphorus-containing flame retardants are enhanced by incorporating in said compositions a suitable amount of antimony trioxide.
    Type: Grant
    Filed: August 12, 1976
    Date of Patent: August 5, 1980
    Assignee: Phillips Petroleum Company
    Inventors: Howard W. Bost, Tommey A. Yokley, Jr.