Lubricant additive, lubricant composition and grease composition
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United States of America Patent
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Jun 26, 2012
Grant Date -
Sep 24, 2009
app pub date -
Sep 10, 2007
filing date -
Sep 15, 2006
priority date (Note) -
Expired
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Abstract
A lubricant additive comprising a rod-like liquid crystal compound possessing a cation group and an anion is disclosed. The rod-like liquid crystal compound is typically a specific type of 4-(1,3-diox-2-yl)pyridinium salt and exhibits an effect of reducing the coefficient of friction if added in a small amount. A lubricant composition and a grease composition comprising the lubricant additive are also disclosed.
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