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2 226 190

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IPC

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Application

2002128684/04, 2002-10-25

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Start date

2002-10-25

(22)

Actual filing date

2002-10-25

(45)

Published

2004-03-27

(72)

Inventor

Zagidullin R.N.Khismatullin S.G.Dmitriev Ju.K.Kurgaeva S.N.Muratov M.M.Jusupov A.G.Vakhitov Kh.S.Akhmadeeva G.I.Rasulev Z.G.Polenok A.S.

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo

ETHYLENEDIAMINE PRODUCTION PROCESS Russian patent published in 2004 - IPC

Abstract RU 2226190 C1

FIELD: industrial organic synthesis. SUBSTANCE: ethylenediamine is obtained by interaction of dichloroethane with 20-60% aqueous ammonia solution at dichloroethane-to-ammonia molar ratio 1:(1.8-2.5), temperature 130 to 180 C, pressure 0.8 to 7.0 MPa, and vigorous stirring at 2500-3000 rpm. EFFECT: increased yield of ethylenediamine and improved its quality. 6 ex

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RU 2 226 190 C1

Authors

Zagidullin R.N.

Khismatullin S.G.

Dmitriev Ju.K.

Kurgaeva S.N.

Muratov M.M.

Jusupov A.G.

Vakhitov Kh.S.

Akhmadeeva G.I.

Rasulev Z.G.

Polenok A.S.

Dates

2004-03-27—Published

2002-10-25—Filed