Patents Examined by Dephia D. Toomer
  • Polyol ester distillate fuels additive
    Patent number: 5993498
    Abstract: A polyol ester distillate fuel additive exhibits improved lubricity and friction and wear performance. The ester has between about 1% and about 35% unconverted hydroxyl groups and is characterized as having a hydroxyl number from about 5 to about 180.
    Type: Grant
    Filed: April 3, 1998
    Date of Patent: November 30, 1999
    Assignee: Exxon Research and Engineering Co.
    Inventors: Elisavet P. Vrahopoulou, Richard Henry Schlosberg, David Wayne Turner