Lubricating composition containing an ashless TBN booster

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United States of America Patent

PATENT NO 9771541
APP PUB NO 20150225664A1
SERIAL NO

14424460

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Abstract

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The invention provides a lubricating composition containing an oil of lubricating viscosity and a sulfurized aromatic amine compound, especially sulfur coupled aniline. The invention further relates to methods of lubricating an internal combustion engine by supplying the described lubricating composition to the internal combustion engine. The invention further relates to the use of the sulfurized aromatic amine compound as a TBN booster and an antioxidant.

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Patent Owner(s)

Patent OwnerAddress
THE LUBRIZOL CORPORATIONWICKLIFFE OHIO 44092-2298

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abraham, William D Concord Township, US 60 1018
Capitosti, Scott Perry, US 10 11
Ciolli, Christopher J Perry, US 3 2
Delbridge, Ewan E Concord Township, US 75 122
Friend, Christopher L Nottingham, GB 24 56
Ivancic, Danielle N Willoughby, US 7 13

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