Ether-based lubricant compositions, methods and uses

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United States of America Patent

PATENT NO 11492566
APP PUB NO 20200102521A1
SERIAL NO

16470245

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Abstract

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The present invention provides a lubricant composition comprising a base oil of lubricating viscosity, wherein the base oil comprises an ether base stock of formula (A), where: Ra and Rb are aliphatic hydrocarbyl groups and may be the same or different; the lubricant composition further comprising at least one aminic anti-oxidant and at least one phenolic anti-oxidant. In some embodiments, the ether base stock has the formula (1), where: R1 R2, R3, R4, R5 and R6 are as defined herein. The lubricant composition may be used for lubricating a surface in an internal combustion engine as well as for improving the fuel economy performance and/or piston cleanliness performance of an engine and/or a vehicle, such as an automotive vehicle associated with an internal combustion engine.

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Patent Owner(s)

Patent OwnerAddress
CASTROL LIMITEDWHITCHURCH HILL PANGBOURNE READING RG8 7QR

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Breakspear, Angela Reading, GB 2 0
Jennings, Rebecca Frances Reading, GB 1 0
Lamb, Gordon David Reading, GB 10 45
Redshaw, John Michael Reading, GB 5 1
West, Kevin Richard Reading, GB 12 26

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