Lubricant oil composition comprising borated cyclic carboxylic acid imide
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United States of America Patent
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Feb 6, 2001
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N/A
app pub date -
Apr 2, 1999
filing date -
May 8, 1998
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Abstract
The present invention provides a lubricant oil composition for an automatic and continuously variable transmission with a built-in torque converter equipped with a lock-up clutch, which is incorporated, in the base oil, with a compound containing at least one type of cyclic carboxylic acid imide having boron in the molecule and substituted by an alkyl or alkenyl group, wherein the cyclic carboxylic acid imide is contained at 0.1 to 12 wt % based on the whole composition.
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