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US 4,376,056 AGranted
Fuel economy in internal combustion engines
AssigneeChevron Research Company
InventorTimothy R. Erdman
Life of this patent
Estimating the term…
Abstract
The fuel economy of an internal combustion engine can be improved by adding to the lubricating oil used to lubricate the crankcase of said engine from 0.25 to 2 weight percent of pentaerythritol mono-oleate.
Claims2
A lubricating oil composition consisting essentially of an oil of lubricating viscosity and from 0.25 to 2 weight percent of pentaerythritol mono-oleate.
Dependencies are inferred from the claim text.