Patents Examined by Maria Nguyen
  • Lubricating oil compositions containing anti-wear/anti-corrosion
    Patent number: 4876021
    Abstract: The present invention provided a finished lubricating oil base stock and an extreme pressure/anti-wear improving amount of a bis acyl-or bis aroyldisulphide of the formula ##STR1## wherein R is independently a hydrocarbyl or substituted hydrocarbyl group.
    Type: Grant
    Filed: August 26, 1988
    Date of Patent: October 24, 1989
    Assignee: BP Chemicals Limited
    Inventor: Sean P. O'Connor