Lubricating composition containing multifunctional borated hydroxylated amine salt of a hindered phenolic acid
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United States of America Patent
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Dec 18, 2012
Grant Date -
Apr 12, 2012
app pub date -
Oct 12, 2010
filing date -
Oct 12, 2010
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Abstract
Multi-functional additives which impart improved antioxidancy to lubricating oil compositions and frictional properties resulting in improved fuel economy in an internal combustion engine are disclosed. More particularly disclosed is a boron containing salt of an oil soluble hydroxylated amine and a hindered phenolic acid product prepared by: a) reacting an oil soluble hydroxylated amine of the general formula II:
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