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2 232 796

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IPC

(21) (22)

Application

2002135043/04, 2002-12-26

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Start date

2002-12-26

(22)

Actual filing date

2002-12-26

(45)

Published

2004-07-20

(72)

Inventor

Zolotov V.A.Bartko R.V.Bauman V.N.Ravdin E.V.Kochmar V.I.Shnyrov N.A.

(73)

Holder

Gosudarstvennyj Nauchno-Issledovatel'Skij Institut Ministerstva Oborony Rossijskoj Federatsii Po Primeneniju Topliv, Masel, Smazok I Spetsial'Nykh Zhidkostej Po Khimmotologii)

MOTOR OIL Russian patent published in 2004 - IPC

Abstract RU 2232796 C1

FIELD: lubricants.

SUBSTANCE: multigrade motor oil is composed of, wt %: alkaline calcium alkyl salicylate 2.9-4.9, alkaline calcium sulfonate 0.5-1.5, polymethacrylate 1.5-2.5, polymethylsiloxane 0.003-0.005, hydrogenated butadiene/styrene block copolymer 1.75-2.25, high-molecular weight Mannich base 2.0-3.0, concentrate of mono- and bis-alkylsuccinamide mixture in oil 2.5-3.5, modified phenol-chloroparaffin alkylation product 1.4-2.2, ethyldiamine-based ethylene oxide/propylene oxide block copolymer 0.015-0.025, alcoholic zinc dithiophosphate 0.6-1.6, residual component with cinematic viscosity 15-20 mm²/s (100^оС) 5.4-6.0, low-viscosity distillate oil with cinematic viscosity 2-4 mm²/s (100^оС) - the rest. Motor oil meets all standard requirements.

EFFECT: improved anti-wear and antioxidant properties of oil, thereby ensuring reliable function of high-augmented gasoline and diesel engines within a wide ambient air temperature range.

4 tbl

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RU 2 232 796 C1

Authors

Zolotov V.A.

Bartko R.V.

Bauman V.N.

Ravdin E.V.

Kochmar V.I.

Shnyrov N.A.

Dates

2004-07-20—Published

2002-12-26—Filed