Lubricating oil composition

Details Lubricating oil composition Lubricating oil composition

C - Chemistry, Metallurgy

10

M

C10M 161/00 (2006.01)

Patent

CA 2643358

A lubricating oil composition comprising base oil, one or more glycerol esters selected from glycerol monooleate and/or glycerol dioleate, optionally in combination with glycerol trioleate, wherein said composition further comprises one or more dispersant- viscosity index improver compounds and an additive amount of one or more additional polyhydric alcohol esters; and a method of lubricating an internal combustion engine comprising applying said lubricating oil composition thereto.

L'invention concerne une composition d'huile lubrifiante contenant une huile de base, au moins un ester de glycérol sélectionné parmi un monooléate de glycérol et/ou un dioléate de glycérol, facultativement en combinaison avec du trioléate de glycérol. Cette composition renferme également au moins un composé améliorant l'indice de viscosité/dispersion et une quantité ajoutée d'au moins un ester d'alcool polyhydrique supplémentaire. L'invention a aussi pour objet un procédé de lubrification d'un moteur à combustion interne consistant à utiliser la composition susmentionnée.

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