Patent ID: 9340746
Filing Date: 2016-05-17
CPC Classification: C10M,C10N

Claim Text:
1. A lubricant composition comprising: a) a major amount of a base oil having a kinematic viscosity between 2 and 4 cSt at 100° C.; b) dioctyl phosphite in an amount providing from about 150 to about 600 ppm phosphorus to the lubricant composition; a phosphorylated dispersant comprising a phosphorylated polyisobutenyl bis-succinimide dispersant, wherein the dispersant provides from about 100 to about 300 ppm phosphorus to the lubricant composition; and wherein the lubricant composition has a phosphorus weight ratio of component (b) to total phosphorus in the lubricant composition of from 0.4:1 to less than about 0.8:1.