Engine oil composition
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United States of America Patent
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Oct 17, 1995
Issued Date -
N/A
app pub date -
May 6, 1994
filing date -
Dec 12, 1991
priority date (Note) -
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Abstract
There is disclosed an engine oil composition which comprises as the essential components (a) a base oil comprising either or both of a mineral oil and a synthetic oil, (B) a boron compound derivative of alkenylsuccinimide, (C) an alkaline earth metal salt of salicylic acid and (D) either or both of a molybdenum dithiophosphate and a molybdenum dithiocarbamate. The above engine oil composition can effectively be used as a lubricating engine oil in automobiles and various industrial internal combustion engines by virtue of reduced friction loss of an engine by the use thereof and its low friction properties both in the early stages of use and after being used for a certain period of time.
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