Lithium complex grease thickener and high dropping point thickened grease
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United States of America Patent
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Jan 30, 1990
Grant Date -
N/A
app pub date -
Jul 12, 1988
filing date -
Jul 12, 1988
priority date (Note) -
Expired
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Abstract
A lithium complex grease thickener for increasing the dropping point of a lubricating oil comprises as primary indgredients a lithium salt of 12-hydroxystearic acid or from alkyl esters thereof and a dilithium salt derived from dialky esters of terephthalic acid in a molar proportion of about 0.5 to 15:1. A lithium complex thickened grease of high lubricating activity, shear stability, penetration, water resistance and dropping point comprises a major proportion of a lubricating oil and about 1 to 45 wt % of the lithium complex thickener of this invention with respect to the thickened grease.
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