Lubricating oil composition

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12146116
APP PUB NO 20240010943A1
SERIAL NO

18252092

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a lubricating oil composition comprising: (A) a lubricant base oil including at least one type selected from mineral oil, PAO, and GTL (gas-to-liquid) base oils; (B) a compound having a structure obtained by independently subjecting propylene oxide to addition polymerization with an alcohol or a structure obtained by subjecting a combination of propylene oxide with ethylene oxide and/or butylene oxide to addition polymerization with an alcohol, and being configured so that polyalkylene glycol (PAG) with an oxygen/carbon weight ratio of 0.35 or more and less than 0.45 and/or one or both terminal hydroxyl groups in the polyalkylene glycol (PAG) are blocked; and (C) a fatty acid ester having an oxygen/carbon weight ratio of 0.05 to 0.35.

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Patent Owner(s)

Patent OwnerAddress
SHELL USA INCP O BOX 576 HOUSTON TX 77001-0576

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Kunitoshi Tokyo, JP 2 0
Suzuki, Kengo Kanagawa, JP 93 530

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