Lubricating compositions containing boronated N-alkanol hydrocarbylamide

  • US 4,331,545 A
  • Filed: 09/29/1980
  • Issued: 05/25/1982
  • Est. Priority Date: 04/19/1979
  • Status: Expired due to Term
First Claim
Patent Images

1. A friction-reducing additive effective in reducing friction in internal combustion engines, said additive comprising the product obtained by the process comprising reacting a N-alkanol hydrocarbylamide having the structure:

    space="preserve" listing-type="equation">R.sub.1 --CO--NR.sub.2 --R.sub.3 --OHwherein R1 is an aliphatic hydrocarbon group containing about 12-36 carbon atoms, R2 is selected from the group consisting of hydrogen and lower alkyl and R3 is a divalent hydrocarbon group containing 2 carbon atoms, with a boron compound selected from the group consisting of boric acid, esters of boric acid and mixtures of boric acid and alcohol wherein said alcohols are selected from the group consisting of monohydroxy alcohols containing 1 to about 20 carbon atoms, polyhydroxy alcohols containing 2 to about 6 carbon atoms and 2 to about 6 hydroxy groups and polyalkylene glycol containing 2 to about 10 alkyleneoxy groups.

View all claims

    Thank you for your feedback