LUBRICATING OIL COMPOSITION AND LUBRICATING OIL FOR FLUID DYNAMIC BEARING AS WELL AS FLUID DYNAMIC BEARING AND METHOD FOR LUBRICATING FLUID DYNAMIC BEARING USING THE SAME
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United States of America Patent
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Issued Date -
Dec 24, 2009
app pub date -
Aug 23, 2007
filing date -
Sep 13, 2006
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Abandoned
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Abstract
This invention relates to a lubricating oil composition being excellent in oxidation stability and low-temperature flowability, and more particularly to a lubricating oil composition characterized by using as a base oil a diester obtained from a straight-chain dihydric alcohol having a carbon number of 6 to 12 and having a hydroxyl group at both terminal carbon atoms respectively and a branched-chain saturated monovalent fatty acid having a carbon number of 6 to 12.
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