Patents Assigned to The Pennsylvania State Univ.
  • Composition and process for retarding lubricant oxidation using copper additive
    Patent number: 5520830
    Abstract: Deposit formation can be reduced and primary oxidation of the lubricant can be retarded in a lubricant when used in an internal combustion engine by incorporation of soluble copper (e.g., 1,500 to 3,000 ppm) in the lubricant.
    Type: Grant
    Filed: March 6, 1995
    Date of Patent: May 28, 1996
    Assignees: Akzo Nobel N.V., The Pennsylvania State Univ.
    Inventors: Elmer E. Klaus, John L. Duda