Lubricating base oil and lubricating oil composition

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United States of America Patent

PATENT NO 7838709
SERIAL NO

11822408

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention provides a lubricating base oil with a saturated component content of 90% by mass or greater, a proportion of cyclic saturated components of no greater than 40% by mass of the saturated components, a viscosity index of 110 or greater, an aniline point of 106 or greater and an ε-methylene proportion of 14-20% of the total constituent carbons, as well as a lubricating oil composition comprising the lubricating base oil.

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Patent Owner(s)

Patent OwnerAddress
NIPPON OIL CORPORATIONTOKYO
PETROLEUM ENERGY CENTERA JURIDICAL INCORPORATED FOUNDATION 3-22 AZABUDAI 2-CHOME MINATO-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsui, Shigeki Yokohama, JP 56 612
Shirahama, Shinichi Yokohama, JP 20 380
Tagawa, Kazuo Yokohama, JP 48 1077
Yaguchi, Akira Yokohama, JP 20 293

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