C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 133/08 (2006.01) C10M 129/68 (2006.01) C10M 135/18 (2006.01) C10M 139/06 (2006.01) C10M 159/12 (2006.01) C10M 169/04 (2006.01)
Patent
CA 2461894
A lubricating oil composition is provided which comprises (a) an oil of lubricating viscosity having a kinematic viscosity of about 2 to 10.5 cSt at 100°C and (b) a friction modifying effective amount of an ashless friction modifier comprising a reaction product of a C4 to about C75 fatty acid ester and an alkanolamine. Particularly preferred is a lubricating ail composition comprising (a) an oil of lubricating viscosity having a kinematic viscosity of about 2 to 10.5 cSt at 100°C and comprising about 55 to about 85 weight percent of a first lubricating oil, and about 15 to about 45 weight percent of a second lubricating oil wherein the kinematic viscosity of the second lubricating oil is lower than the kinematic viscosity of the first lubricating oil at 100°C; and (b) about 0.5 to about 5.0 weight percent, based on the total weight of the lubricating oil composition, of an ashless friction modifier comprising a reaction product of a C4 to about C75 fatty acid ester and an alkanolamine.
Hayden Thomas E.
Kohl Kevin M.
Leisenring Roger L.
Thiel C. Yvonne
Sim & Mcburney
Texaco Development Corporation
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