Patents Examined by Robert E. Whittenbaugh
  • Multifunctional thiocyanate amine salt additive for fuels and lubricating oils and compositions containing said additive
    Patent number: 4263154
    Abstract: This invention relates to a hydrocarbon-soluble sulfur-nitrogen compound resulting from the reaction of a dialkyl-4-hydroxy benzyl thiocyanate and a C.sub.12 --C.sub.24 alkyl primary amine which compounds have utility as multifunctional, i.e. antioxidation, antiwear, extreme pressure and lubricity modification, additive for fuels and lubricants.
    Type: Grant
    Filed: November 5, 1979
    Date of Patent: April 21, 1981
    Assignee: Exxon Research & Engineering Co.
    Inventors: Jack Ryer, Salvatore J. Girgenti, Esther D. Winans