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2 120 960

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C1

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IPC

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Application

98102469/04, 1998-02-19

(22)

Actual filing date

1998-02-19

(45)

Published

1998-10-27

(72)

Inventor

Borisov O.V.Karpov I.A.Klimov V.A.Morozova I.A.Reznikov V.D.Shkol'Nikov V.M.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij Institut Po Pererabotke NeftiOtkrytoe Aktsionernoe Obshchestvo Ogo"

MOTOR OIL Russian patent published in 1998 - IPC

Abstract RU 2120960 C1

FIELD: oil refining and petrochemistry, more particularly motor oil intended for high-speed diesels. SUBSTANCE: composition comprises, wt.%: alkaline potassium alkyl salicylate, 2.3-3.1; alkaline calcium sulphonate, 1.7-2.3; zinc dithiophosphate as dialkyl-or di(alkylphenyl)zinc dithiophosphate, 1.1-2.4; polymethacrylate, 0.8-1.5; polymethyl siloxane, 0.003-0/005; methacrylic acid ester-synthetic C12-C18 fatty alcohol copolymer with molecular weight of 11.000-16.000, 0.3-2.0; and mineral oil, up to 100. The composition makes it possible to increase oxidative stability which leads to higher properties of detergents and greater service life of oil during its use. EFFECT: improved properties of motor oil.

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RU 2 120 960 C1

Authors

Borisov O.V.

Karpov I.A.

Klimov V.A.

Morozova I.A.

Reznikov V.D.

Shkol'Nikov V.M.

Dates

1998-10-27—Published

1998-02-19—Filed

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