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US08093191B2 Engine lubricant for improved fuel economy 有权
发动机润滑油,提高燃油经济性

Engine lubricant for improved fuel economy
Abstract:
A lubricant composition comprising an oil of lubricating viscosity, an amino-functionalized acrylic or methacrylic-containing polymer, comprising about 2 percent to about 8 percent by weight of an amine moiety bearing a tertiary amino group, attached to said polymer through an ester, amide, or imide linkage; and a nitrogen-containing dispersant, provides reduced friction to an internal combustion engine and improved fuel economy.
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