Patents Assigned to Cooper, Inc.
  • Lubricating oil
    Patent number: 4158633
    Abstract: Engine crankcase lubricating oil containing a dihydrocarbyl hydrocarbylphosphonate (e.g. dimethyl octadecylphosphonate) exhibits reduced friction which results in an increase in gasoline mileage thus conserving energy.
    Type: Grant
    Filed: March 30, 1978
    Date of Patent: June 19, 1979
    Assignee: Edwin Cooper, Inc.
    Inventor: Andrew G. Papay