Crankcase lubricant for heavy duty diesel oil
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United States of America Patent
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May 22, 2007
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N/A
app pub date -
Jul 24, 2001
filing date -
Aug 9, 1996
priority date (Note) -
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Abstract
Thus, the instant invention is directed toward an oil for diesel engines comprising an admixture of (A) a major amount of an oil of lubricating viscosity, (B) at least 4 mass % dispersant, (C) at least 0.3 mass % of a metal phenate, (D) less than 0.1 mass % friction modifier, (E) less than 0.3 mass % of .Iadd.ashless .Iaddend.sulfurized phenols and, (F) less than 0.12 mass % neutral calcium sulfonate.
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