With An Organic Chalcogen Compound, Which May Or May Not Be Reacted With The Phosphosulfurized Or Phosphooxidized Hydrocarbon (e.g., Phenols, Alcohols, Quinones, Etc.) Patents (Class 508/360)
  • Lubricating oil compositions
    Patent number: 6034039
    Abstract: Complex detergents provide improved deposit control and corrosion protection in crankcase lubricants.
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: March 7, 2000
    Assignee: Exxon Chemical Patents, Inc.
    Inventors: Jose Manuel Gaspar Gomes, Philip Skinner