LUBRICANT COMPOSITION

PROBLEM TO BE SOLVED: To provide a lubricant composition which exhibits a high friction-reducing effect, while reducing the content of a molybdenum-containing organic compound. SOLUTION: This engine lubricant composition is characterized by dissolving or dispersing the following components in a lubr...

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Bibliographic Details
Main Authors KANEUCHI MASAYA, NAKAZATO MORIKUNI, TAKEOKA KENJI, FUCHI MASAMI
Format Patent
LanguageEnglish
Published 13.07.2006
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:PROBLEM TO BE SOLVED: To provide a lubricant composition which exhibits a high friction-reducing effect, while reducing the content of a molybdenum-containing organic compound. SOLUTION: This engine lubricant composition is characterized by dissolving or dispersing the following components in a lubricant base oil: (a) a nitrogen-containing ash-free dispersant; (b) a metal-containing cleaner; (c) zinc dihydrocarbyldithiophosphate or zinc dihydrocarbylphosphate; (d) a molybdenum compound containing small amounts of the following two compounds, (d1) an oxymolybdenum complex which is the reaction product of an acidic molybdenum compound with a basic nitrogen production, and (d2) oxymolybdenum dithiocarbamate sulfide and/or oxymolybdenum dithiophosphate sulfide; and (e) a polyhydric alcohol monofatty acid ester or its borate. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20040380521