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2 034 908

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C1

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IPC

(21) (22)

Application

5060368/04, 1992-08-25

(22)

Actual filing date

1992-08-25

(45)

Published

1995-05-10

(72)

Inventor

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij Institut Po Pererabotke Nefti

ENGINE OIL Russian patent published in 1995 - IPC

Abstract RU 2034908 C1

FIELD: petroleum processing. SUBSTANCE: engine oil has, %: alkaline calcium alkylsalicylate 3.9-5.5; alkaline calcium sulfonate 1.3-3.5; zinc dialkyldithiophosphate 1.9-2.1; alkenylsuccinimide 1.4-1.6; product of interaction of alkylphenols with mol. mass 900-1500, polyethylenepolyamines with 3-6 amine groups and formaldehyde modified with boric acid and aliphatic monocarboxylic acid with 10-20 carbon atoms 1.9-2.1; polymethylsiloxane 0.003-0.005, and mineral oil up to 100. Oil can contain 0.1-1% polymethacrylate. EFFECT: enhanced quality of engine oil. 2 cl, 3 tbl

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RU 2 034 908 C1

Authors

Dates

1995-05-10—Published

1992-08-25—Filed

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