Lubricant compositions containing an overbased amorphous alkaline earth metal salt as a metal protectant
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United States of America Patent
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Jan 16, 2007
Grant Date -
Apr 1, 2004
app pub date -
Sep 19, 2003
filing date -
May 18, 2001
priority date (Note) -
Expired
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Abstract
Lubricant compositions are made containing, as a metal protectant additive, an overbased amorphous alkaline earth metal salt of fatty acid. The additive is added in either a liquid or powdered form to the base oil in the composition. The overbased additive in the lubricating composition serves as a metal protectant to provide detergency, friction-modifying and acid-neutralizing properties to the compositions.
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