Lubricant base oil, method for production thereof, and...

C - Chemistry – Metallurgy – 10 – M

Patent

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Details

C10M 171/02 (2006.01) C10M 101/02 (2006.01) C10M 109/02 (2006.01)

Patent

CA 2682660

Disclosed is a lubricant base oil which has an urea adduct value of 4 mass% or less and a viscosity index of 100 or more. Also disclosed is a method for producing a lubricant base oil, which comprises the step of subjecting a raw oil containing normal paraffin to hydrogenation/hydrogenation-isomerization so that a product of the treatment has an urea adduct value of 4 mass% or less and a viscosity index of 100 or more. Further disclosed is a lubricant oil composition comprising the lubricant base oil.

L'invention porte sur une huile de base lubrifiante qui a une valeur en produit d'addition d'urée de 4 % en masse ou moins et une valeur en viscosité de 100 ou plus. L'invention porte également sur un procédé de fabrication d'une huile de base lubrifiante, qui comprend l'étape consistant à soumettre une huile de départ contenant une paraffine normale à une hydrogénation/hydrogénation-isomérisation de telle sorte qu'un produit du traitement possède une valeur en produit d'addition d'urée de 4 % en masse ou moins et un indice de viscosité de 100 ou plus. L'invention porte également sur une composition d'huile lubrifiante contenant l'huile de base lubrifiante.

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