Patents by Inventor Eldon L. Armstrong

Eldon L. Armstrong 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).

  • Lubricant compositions containing metal antifatigue additives
    Patent number: 4335005
    Abstract: Compositions comprising arylboronic acid and substituted arylboronic acid are employed as lubricant additives to impart anti-fatigue properties to metals. In an embodiment, approximately one weight percent of phenylboronic acid added to a polyurea thickened grease containing about two percent of water, results in vastly improved resistance to metal-fatigue failure such as spalling, for example.
    Type: Grant
    Filed: September 11, 1980
    Date of Patent: June 15, 1982
    Assignee: Mobil Oil Corporation
    Inventors: Eldon L. Armstrong, Phillip S. Landis
  • Lubricant compositions stabilized against ultra-violet degradation
    Patent number: 4226733
    Abstract: Lubricant compositions are provided which contain an effective amount of a nickel complex, e.g., a nickel phenol-phenolate derivative of a phenol sulfide for stabilizing said compositions against ultra-violet degradation.
    Type: Grant
    Filed: November 17, 1978
    Date of Patent: October 7, 1980
    Assignee: Mobil Oil Corporation
    Inventors: Eldon L. Armstrong, Samuel J. Leonardi