Benzene Ring Bonded Directly To The Nitrogen Patents (Class 508/529)
  • Patent number: RE38929
    Abstract: There is disclosed a lubricating oil composition which contains from about 100 to 450 parts per million of molybdenum from a molybdenum compound which is substantially free of active sulfur and about 750 to 5,000 parts per million of a secondary diarylamine. This combination of ingredients provides improved oxidation control and friction modifier performance to the lubricating oil. The composition is particularly suited for use as a crankcase lubricant.
    Type: Grant
    Filed: June 26, 2000
    Date of Patent: January 3, 2006
    Assignee: Afton Chemical Intangibles LLC
    Inventors: Vincent James Gatto, Mark Thomas Devlin