Methods and uses for controlling deposits on valves in direct-injection spark-ignition engines

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United States of America Patent

PATENT NO 11685873
APP PUB NO 20160160143A1
SERIAL NO

14905093

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Abstract

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The use as a valve deposit controlling additive in a fuel composition for a direct injection spark-ignition internal combustion engine of a combination of: a) at least one hydrocarbyl-substituted aromatic compound; and b) at least one polyalkylene amine.

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Patent Owner(s)

  • BP OIL INTERNATIONAL LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Allan, Robert Edward Berkshire, GB 8 3
Dewhurst, Ross Alexander Berkshire, GB 6 2
Grundy, Michael John Berkshire, GB 8 32
Williamson, David Michael Berkshire, GB 11 74

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