Ether-Based Lubricant Compositions, Methods and Uses

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20200102520A1
SERIAL NO

16470241

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ATTORNEY / AGENT: (SPONSORED)

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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 different; the lubricant composition further comprising from 0.5 to 7% of total dispersant additive, by weight of the lubricant composition. 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)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
LAMB, Gordon David Reading Berkshire, GB 10 45
REDSHAW, John Michael Reading, Berkshire, GB 5 1
WEST, Kevin Richard Reading, Berkshire, GB 12 26
YATES, Rebecca Reading, Berkshire, GB 4 1

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