TRANSMISSION OIL Russian patent published in 2008 - IPC C10M135/04 C10M137/10 C10M145/14 C10M155/02 C10N40/04 

FIELD: chemistry.

SUBSTANCE: use for all-season transmission operation of front-wheel drive cars. Substance: oil contains, mass %: sulphur-containing additive - 3.5, zinc dialkyl dithiophosphate - 0.3, polymethacrylate - 1.9, silicone additive - 0.004, petroleum oil up to 100. Sulphur-containing additive is resultant from reaction of α- olefins of C₁₆-C₁₈ fractions with sulphur with catalyst being reaction product of diisobutyl phosphoric acid and butyl methacrylate taken in equimolar amounts at temperature 70-75°C.

EFFECT: improvement of oil low-temperature properties.

1 tbl