HYDRAULIC OIL Russian patent published in 1997 - IPC

Abstract RU 2086607 C1

FIELD: petrochemistry, particularly lubricating oils. SUBSTANCE: mineral oil-based composition comprises additives of zinc dialkyl dithiophosphate, 4-methyl-2,6- ditertiary butyl phenol and polymethyl siloxane, the ratio of components is as follows, %: zinc dialkyl thiophosphate, 3.0-4.0; 4-methyl-2,6-ditertiary butyl phenol, 0.2-0.3; polymethyl siloxane, 0.0045-0.0055; and mineral oil, up to 100. Kinematic viscosity properties of said composition meet requirements of oil used in hydrodynamic transmissions of diesel engines. EFFECT: high service properties and improved ecological situation of technological process. 3 tbl

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RU 2 086 607 C1

Authors

Galkina V.V.

Gar P.P.

Ermakova T.I.

Karelina O.P.

Starkov A.F.

Pitomits N.F.

Dates

1997-08-10—Published

1995-11-15—Filed