Engine oil composition
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United States of America Patent
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Sep 30, 2003
Issued Date -
N/A
app pub date -
Jan 30, 2001
filing date -
Mar 16, 1990
priority date (Note) -
Expired
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Abstract
An engine oil composition characterized by containing a major amount of lubricating base oil and (a) 0.01 to 30% by weight of an overbasic oil-soluble metal salt prepared by use of an alkaline-earth metal borate, (b) 0.01 to 5% by weight of a molybdenum dithiocarbamate, and (c) 0.01 to 5% by weight of an antioxidant as essential components, on the basis of the total amount of the composition.
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