Lubricating oil composition for continuously variable transmission
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United States of America Patent
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Sep 9, 2003
Grant Date -
Jan 16, 2003
app pub date -
Jun 5, 2001
filing date -
Jun 5, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
To provide a lubricating oil composition for continuously variable transmission which ensures both a high coefficient of friction between metals required for a push belt-type CTV oil and excellent oxidation stability guaranteeing the performance over a long time. A lubricating oil composition for continuously variable transmission is provided, which comprises a lubricating base oil made of a mineral oil and/or a synthetic oil formulated with a wear preventive a metal detergent and an ashless dispersant, wherein the ashless dispersant is made of a boron-containing succinimide having boron at a rate of one or more atoms in one molecule of the ashless dispersant.
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