Lubricating oil composition
AssigneesChevron Oronite Company LLC, Chevron Japan Ltd.
InventorsPriyank Shah, Hiroki Andoh, Masami Fuchi, Takahiro Nakagawa, Ataru Minami, Satoshi Ohta, Koichi Kubo
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Abstract
This disclosure describes a lubricating oil composition that includes a major amount of an oil of lubricating viscosity and one or more nitrogen-containing additive having the formula: wherein R1 is functional group containing 10 to 250 carbon atoms; and R2 and R3 are independently functional groups containing 2 to 20 carbon atoms.
Claims20
A lubricating oil composition comprising a major amount of an oil of lubricating viscosity and one or more nitrogen-containing additive having the formula:
- wherein R1 is a functional group containing 10 to 250 carbon atoms;
- and R2 and R3 are independently functional groups containing 2 to 20 carbon atoms.
A method of increasing the friction coefficient of a wet clutch comprising contacting a metal surface with a lubricating oil composition comprising a major amount of an oil of lubricating viscosity and one or more nitrogen-containing additive having the formula:
- wherein R1 is a functional group containing 10 to 250 carbon atoms;
- and R2 and R3 are independently functional groups containing 2 to 20 carbon atoms.
Dependencies are inferred from the claim text.