Low phosphorus- and sulfur-containing lubricating oils

Details Low phosphorus- and sulfur-containing lubricating oils Low phosphorus- and sulfur-containing lubricating oils

C - Chemistry, Metallurgy

10

M

253/87

C10M 151/00 (2006.01) C10M 135/02 (2006.01)

Patent

CA 1265505

L-2187R Title: LOW PHOSPHORUS- AND SULFUR-CONTAINING LUBRICATING OILS ABSTRACT OF THE DISCLOSURE Lubricating oil compositions containing less than a out 0.1% by weight of phosphorus are described, and these lubricating compositions comprise a major amount of an oil of lubricating viscosity, and a minor amount of at least one oil-soluble sulfur-containing material which comprises the reaction product of sulfur and a Diels-Alder adduct in a molar ratio less than 1.7:1 wherein the adduct is an adduct of at least one dienophile with at least one aliphatic conjugated diene. Such lubricating oil compositions exhibit improved oxidation-corrosion-inhibiting properties, anti-wear properties, and/or extreme pressure properties. Such lubricating compositions also exhibit improved compatibility with nitrile seals.

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