LUBRICATING OIL COMPOSITIONS COMPRISING A BIODIESEL FUEL AND AN ANTIOXIDANT

This invention encompasses a lubricating oil composition contaminated with at least about 0.3 wt % of a biodiesel fuel or a decomposition product thereof, based on the total weight of the lubricating oil composition, comprising: a. a major amount of base oil of lubricating viscosity; and b. a diaryl...

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Bibliographic Details
Main Author BOFFA ALEXANDER B
Format Patent
LanguageEnglish
Published 30.04.2009
Subjects
CHEMISTRY
FUELS
LUBRICANTS
LUBRICATING COMPOSITIONS
METALLURGY
PEAT
PETROLEUM, GAS OR COKE INDUSTRIES
TECHNICAL GASES CONTAINING CARBON MONOXIDE
USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Summary:This invention encompasses a lubricating oil composition contaminated with at least about 0.3 wt % of a biodiesel fuel or a decomposition product thereof, based on the total weight of the lubricating oil composition, comprising: a. a major amount of base oil of lubricating viscosity; and b. a diarylamine compound, wherein, the amount of the diarylamine compound is at least about 0.1 wt. %, based on the total weight of the lubricating oil composition. Methods of using the lubricating oil compositions are also described.
Bibliography:Application Number: US20070925289