Patents by Inventor Donald E. Wingrove

Donald E. Wingrove 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
  • Elastomeric composition having improved cut growth resistance
    Patent number: 4767809
    Abstract: Elastomeric compositions produced by curing blends comprising (A) a highly unsaturated rubber; (B) a saturated rubber; (C) a phenylenediamine compound and (D) a curing agent comprised of (i) sulfur and/or a sulfur donor compound, (ii) a sulfur cure accelerator, and (iii) a peroxide curative; wherein between about 1 and about 10 parts by weight of (C) per 100 parts by weight of (A) plus (B) is present exhibit unexpectedly high resistance to cut growth. In addition, a process for producing such rubber compositions is disclosed.
    Type: Grant
    Filed: October 14, 1986
    Date of Patent: August 30, 1988
    Assignee: Uniroyal Chemical Company, Inc.
    Inventor: Donald E. Wingrove
  • Elastomeric composition of EPDM and ethylene-nitrile polymers
    Patent number: 4743656
    Abstract: Elastomeric compositions produced by curing a blend of (A) ethylene/alphaolefin/nonconjugated polyene terpolymer; and (B) acrylonitrile/conjugated diene copolymer, utilizing a curing agent comprising sulfur, a sulfur cure accelerator and a peroxide curative exhibit desirable properties. Also disclosed is a process for preparing such elastomers.
    Type: Grant
    Filed: December 12, 1985
    Date of Patent: May 10, 1988
    Assignee: Uniroyal Chemical Company, Inc.
    Inventor: Donald E. Wingrove