Lubricant composition

C - Chemistry – Metallurgy – 10 – M

Patent

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Details

C10M 169/04 (2006.01) C10G 2/00 (2006.01) C10G 45/58 (2006.01) C10G 65/10 (2006.01) C10M 101/02 (2006.01) C10M 107/02 (2006.01) C10M 171/02 (2006.01)

Patent

CA 2437862

A lubricant composition comprising a base oil and one or more additives wherein the lubricant composition has a kinematic viscosity at 100 ~C of more than 5.6 cSt, a cold cranking simulated dynamic viscosity at -35 ~C according to ASTM D 5293 of less than 62 centiPoise (cP) and a mini rotary viscosity test value of less than 60000 cP according to ASTM d 4684, wherein the base oil has been obtained from a waxy paraffinic Fischer-Tropsch synthesized hydrocarbons.

L'invention concerne une composition lubrifiante comprenant une huile de base et un ou plusieurs additifs, cette composition lubrifiante présentant une viscosité cinématique à 100 ·C supérieure à 5,6 centistokes (cSt), une viscosité dynamique simulée de démarrage à froid à 35 ·C inférieure à 62 centipoises (cP) selon la norme ASTM D 5293, et une valeur de mesure de viscosité à vitesse de rotation minimale inférieure à 60'000 cP selon la norme ASTM D 4684, l'huile de base ayant été produite à partir d'hydrocarbures paraffiniques cireux obtenus par synthèse de Fischer-Tropsch.

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