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2 245 899

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IPC

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Application

2003131941/04, 2003-10-31

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Start date

2003-10-31

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Actual filing date

2003-10-31

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Published

2005-02-10

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Inventor

Fomin V.N.Suzdal'Tsev N.I.Tipushkov E.V.Tarasov A.V.Katrenko T.I.Shkol'Nikov V.M.Kolesnik I.O.Smirnova Ju.V.Pashkova L.V.Milovanova A.I.

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Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Zavod Masel I Prisadok"

MOTOR OIL ADDITIVE COMPLEX AND MOTOR OIL Russian patent published in 2005 - IPC

Abstract RU 2245899 C1

FIELD: lubricants.

SUBSTANCE: additive complex contains 10-40% calcium C₁₂-C₂₄-alkylsalicylate, 5-15% high-alkalinity magnesium sulfonate, and, as the rest, interaction product of neutral and high-alkalinity calcium sulfonate with C₁₂-C₂₄-alkylsalicylic acid, neutral to-high-alkalinity sulfonate weight ratio being (5-20):(80-95). Complex may further contain alkylbenzene fraction with boiling range 300 to 600^оС and also zinc dithiophosphate and/or ash-free nitrogen-containing dispersant. Motor oil contains 3-15% additive complex, 0.003-0.05% polymethylsiloxane, and to 100% petroleum and/or synthetic base oil. Oil may further contain, wt %: zinc dithiophosphate 0.4-2.5 and/or ash-free nitrogen-containing dispersant 1.0-3.0, depressant 0.1-3.0 and/or thickener 0.1-3.0.

EFFECT: increased colloidal stability and antioxidant properties of additive complex and improved performance characteristics of motor oil used in gasoline and diesel engines.

7 cl, 3 tbl

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RU 2 245 899 C1

Authors

Fomin V.N.

Suzdal'Tsev N.I.

Tipushkov E.V.

Tarasov A.V.

Katrenko T.I.

Shkol'Nikov V.M.

Kolesnik I.O.

Smirnova Ju.V.

Pashkova L.V.

Milovanova A.I.

Dates

2005-02-10—Published

2003-10-31—Filed