Patents Assigned to Bray Oil Company, Inc.
  • Overbased magnesium sulfonate process
    Patent number: 4192758
    Abstract: An improvement in the method of preparing high alkali value overbased magnesium sulfonate lubricant additives from commmercially available grades of magnesium oxide is disclosed.
    Type: Grant
    Filed: May 1, 1978
    Date of Patent: March 11, 1980
    Assignee: Bray Oil Company, Inc.
    Inventors: Charles R. Dickey, Paul M. Williamson