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2 108 371

(13)

C1

(51)

IPC

(21) (22)

Application

3019227/04, 1981-05-26

(22)

Actual filing date

1981-05-26

(45)

Published

1998-04-10

(72)

Inventor

Mel'Nik P.V.Bogatyrev I.L.Loskutov L.G.Kljuev B.L.Sobolev G.V.Nosenko V.I.Vershinina G.I.Pyndak V.I.Stakhov B.G.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Nauchno-Issledovatel'Skij Tsentr S Opytnym Zavodom

HYDRAULIC LIQUID Russian patent published in 1998 - IPC

Abstract RU 2108371 C1

FIELD: hydraulic liquids. SUBSTANCE: hydraulic liquid contains, wt.-%: vinyl butyl ether polymer with molecular weight 9000-12000, 3.8-4.8; 2,6-di-tert-butyl4-methylphenol, 0.2-0.3; metal deactivator - benzotriazol, 0.01-0.02; antifoam additive - polymethylsiloxane, 0.001-0.005; dye - rhodamine G, 0.0005-0.001; and basis, the balance. The latter is a mixture containing, wt.-%: di(2-ethylhexyl)phenyl phosphate, 55-64.6; p-tert-butylphenyl diphenyl phosphate, 35-40; and tributyl phosphate, 0.5-5. EFFECT: improved specific properties. 2 cl, 4 tbl

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RU 2 108 371 C1

Authors

Mel'Nik P.V.

Bogatyrev I.L.

Loskutov L.G.

Kljuev B.L.

Sobolev G.V.

Nosenko V.I.

Vershinina G.I.

Pyndak V.I.

Stakhov B.G.

Dates

1998-04-10—Published

1981-05-26—Filed

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