Lubricant composition

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United States of America Patent

PATENT NO 11254890
APP PUB NO 20210054299A1
SERIAL NO

17050813

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Abstract

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The purpose of the present invention is to provide a lubricant composition which can be applied as a gear oil for a high-output and high-speed gear mechanism, and whereby fuel saving as well as further wear resistance in a bearing of a pinion gear can be realized while maintaining excellent durability, seizure resistance, and stability are maintained. A lubricant composition containing a Fischer-Tropsch-derived base oil, a poly alpha-olefin, and an ester compound, and further containing an unsaturated fatty acid and/or a partial ester compound of an unsaturated fatty acid and a polyol, wherein the partial ester compound of an unsaturated fatty acid includes a monoester compound of an unsaturated fatty acid and a polyol in a ratio of 50% by mass with respect to the total amount of the partial ester compound, and the SAE viscosity grade of the lubricant composition is 75W-85 or lower.

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Patent Owner(s)

Patent OwnerAddress
SHELL LUBRICANTS JAPAN K KTOKYO 135-8074

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hiraga, Kotaro Aichi, JP 3 4
Kishi, Misato Aichi, JP 3 5
Maruyama, Ryuji Tokyo, JP 10 32
Moriki, Keiichi Tokyo, JP 3 24
Nagakari, Mitsuhiro Tokyo, JP 16 85
Ohara, Kenji Tokyo, JP 29 180
Shinyoshi, Takatoshi Aichi, JP 9 63

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