Patents by Inventor Charles F. Eckert

Charles F. Eckert 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).

  • Tire having tread composition comprised of EPDM/unsaturated rubber blend
    Patent number: 4814384
    Abstract: Tires having a tread composed of a composition formed by curing a blend comprised of (A) ethylene/alpha-olefin/nonconjugated polyene terpolymer; (B) a highly unsaturated rubber; and (C) a curative system comprised of sulfur and/or a sulfur-donor compound, an organic (hydro)peroxide curative and a sulfur cure accelerator exhibit desirable high strength, low rolling resistance, high skid resistance and good traction.
    Type: Grant
    Filed: May 14, 1986
    Date of Patent: March 21, 1989
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Julian M. Mitchell, Donald E. Wingrove, Charles F. Eckert