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2 026 888

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C1

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IPC

(21) (22)

Application

4899351/04, 1990-10-31

(22)

Actual filing date

1990-10-31

(45)

Published

1995-01-20

(72)

Inventor

Fedorov S.B.Kudrjavtseva L.A.Mirgorodskaja A.B.Zotova A.M.Shermergorn I.M.Molodykh Zh.V.Militsin I.A.Tarasov S.G.Efremov A.I.

(73)

Holder

Tsentr Nauchno-Tekhnicheskoj Dejatel'Nosti, Issledovanij I Sotsial'Nykh Initsiativ Kazanskogo Nauchnogo Tsentra RanCheboksarskoe Proizvodstvennoe Ob"Edinenie

METHOD OF PREPARING OF INHIBITOR OF HYDROGEN SULFIDE CORROSION OF CARBON STEEL IN MINERALIZED HYDROGEN SULFIDE-CONTAINING MEDIA SHOWING FUNGICIDAL AND HERBICIDAL ACTIVITY Russian patent published in 1995 - IPC

Abstract RU 2026888 C1

FIELD: chemical technology. SUBSTANCE: product - a mixture of phosphites of the formula {[(CH3)2N(R)(CH2)3]2N(R)H}3+·[OP(O)(H)OCU3]-3

where R - CH3, H. Reagent 1: (CH3)2N(CH2)3NH(CH2)3N(CH3)2. Reagent 2: (CH3O)2P(O)H. Reaction conditions: in the presence of H2O at the heating. EFFECT: improved method of corrosion inhibitor preparing. 2 tbl

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RU 2 026 888 C1

Authors

Fedorov S.B.

Kudrjavtseva L.A.

Mirgorodskaja A.B.

Zotova A.M.

Shermergorn I.M.

Molodykh Zh.V.

Militsin I.A.

Tarasov S.G.

Efremov A.I.

Dates

1995-01-20—Published

1990-10-31—Filed

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