Lubricating compositions

C - Chemistry – Metallurgy – 10 – M

Patent

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C10M 125/26 (2006.01) C10M 161/00 (2006.01) F02B 3/06 (2006.01)

Patent

CA 1276622

ABSTRACT Improved Lubricating Compositions Lubricating compositions particularly for crankcase lubrica- tion of gasoline and diesel engines in automobiles and trucks have improved viscometric properties by the incorpor- tion of an ashless dispersant and a dispersant viscosity improver with increased boron content of at least 0.02 wt.% of the composition, preferably in the form of an ashless dispersant borated to a higher level.

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