LUBRICATING OIL COMPOSITION Russian patent published in 2012 - IPC C10M141/04 C10M129/76 C10M133/06 C10M133/16 C10M133/44 C10N30/06 C10N40/25 

FIELD: chemistry.

SUBSTANCE: composition contains base oil, a component (A) - a compound of a half fatty acid ester, a component (B) - (b1) a compound of an aliphatic amine and/or (b2) a fatty acid amide, component (C) - a benzotriazole derivative, and a component (D) - a mixture of succinimide compounds, in which a polybutenyl succinimide compound accounts for 70% or more of the total amount of (D). The composition contains 0.5-1.5 wt % components (A) and (B), and 0.01-0.1 wt % component (C) and 0.5-15 wt % component (D).

EFFECT: reduced friction and corrosion, high oxidation resistance with absence of molybdenum compounds and low content of sulphate ash, phosphorus and sulphur.

6 cl, 2 tbl, 13 ex