EP 1661970 B1 20120404 - Lubricating Oil Compositions
Title (en)
Lubricating Oil Compositions
Title (de)
Schmierölzusammensetzungen
Title (fr)
Compositions d'huiles lubrifiantes
Publication
Application
Priority
- EP 04257416 A 20041130
- EP 05110265 A 20051102
Abstract (en)
[origin: EP1661970A1] Lubricating oil compositions having a sulfated ash content of no more than 1.0 mass %, which contain a major amount of oil of lubricating viscosity, a minor amount of calcium salicylate detergent, an amount of a magnesium-based detergent providing the lubricating oil composition with at least 200 ppm of magnesium, an amount of a sulfur-containing molybdenum compound providing the lubricating oil composition with at least 20 ppm of molybdenum, and at least one nitrogen-containing dispersant providing the lubricating oil composition with at least 0.9 mass % nitrogen, which compositions provide improved top ring wear protection in internal combustion engines.
IPC 8 full level
C10M 163/00 (2006.01); C10M 167/00 (2006.01)
CPC (source: EP)
C10M 163/00 (2013.01); C10M 167/00 (2013.01); C10M 2207/144 (2013.01); C10M 2207/262 (2013.01); C10M 2215/28 (2013.01); C10M 2219/046 (2013.01); C10M 2219/068 (2013.01); C10M 2223/045 (2013.01); C10N 2010/04 (2013.01); C10N 2010/12 (2013.01); C10N 2030/06 (2013.01); C10N 2030/42 (2020.05); C10N 2030/43 (2020.05); C10N 2030/45 (2020.05); C10N 2040/252 (2020.05)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
DOCDB simple family (application)
EP 05110265 A 20051102