Lubricant formulations with dispersancy retention capability (law684)

The use of oil soluble organo molybdenum compounds in combination with phenolic or amenic antioxidants has been found to improve the dispersancy retention capability of crankcase lubricants. Thus in one embodiment the present invention comprises improving dispersancy retention of a crankcase lubrica...

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Bibliographic Details
Main Authors FYFE; KIM E, GAO; JASON Z, ELNICKI; JOHN D
Format Patent
LanguageEnglish
Published 21.11.2000
Edition7
Subjects
CHEMISTRY
FUELS
INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS
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:The use of oil soluble organo molybdenum compounds in combination with phenolic or amenic antioxidants has been found to improve the dispersancy retention capability of crankcase lubricants. Thus in one embodiment the present invention comprises improving dispersancy retention of a crankcase lubricant by including in the crankcase lubricant composition an oil soluble organomolybdenum compounds and at least one of a phenolic or aminic antioxidant. Particularly preferred organomlybdenum compounds are molybdenum dithiocarbamates while a mixture of a diarylamine and two phenolic antioxidants are preferred.
Bibliography:Application Number: US19980130211