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2 141 508

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Application

98116522/04, 1998-09-07

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Start date

1998-09-07

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Actual filing date

1998-09-07

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Published

1999-11-20

(72)

Inventor

Dudkinskij A.M.Pashkovskij A.L.Pokrovskaja V.V.Arutjunov I.A.Varosjan G.A.

(73)

Holder

Dudkinskij Andrej MikhajlovichPashkovskij Aleksej LeonidovichPokrovskaja Vera VjacheslavovnaArutjunov Igor' AshotovichVarosjan Genrikh Araratovich

LUBRICATING OIL Russian patent published in 1999 - IPC

Abstract RU 2141508 C1

FIELD: oil refining and petrochemistry. SUBSTANCE: composition comprises, wt %: alkylsalicylate, 3.6-7.9; calcium alkaline sulfonate, 2.0-7.0; zinc dialkyl dithiophosphate, 1.6-2.4; polymethacrylate, 1.8- 6.0 polymethylosiloxane, 0.003-0.005; addition agent 3.4- 8.9; and the mineral oil balance. Addition agent comprises, wt %: ethylene-propylene rubber destruction product, 20-90; polyisobutylene, 10-80. Molecular weight of ethylene-propylene rubber destruction products is within 3000-9000 and molecular weight of polyisobutylene is within 4000-10,000. EFFECT: higher thermal and mechanical stability of oils. 2 cl, 2 tbl

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RU 2 141 508 C1

Authors

Dudkinskij A.M.

Pashkovskij A.L.

Pokrovskaja V.V.

Arutjunov I.A.

Varosjan G.A.

Dates

1999-11-20—Published

1998-09-07—Filed

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