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2 039 034

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C1

(51)

IPC

(21) (22)

Application

5039022/04, 1992-04-20

(22)

Actual filing date

1992-04-20

(45)

Published

1995-07-09

(72)

Inventor

Orlov A.P.Shchavelev V.B.Jakovlev V.A.

(73)

Holder

Rossijskij Nauchnyj Tsentr Khimija"

PROCESS FOR PREPARING ETHANOL HALIDE Russian patent published in 1995 - IPC

Abstract RU 2039034 C1

FIELD: solvents. SUBSTANCE: organohalide stock, more particularly perchloroethylene, trichloroethylene or difluorotrichloroethane is reacted with hydrogen fluoride in a liquid phase at elevated temperature and higher pressure in the presence of antimony pentachloride which further comprises 13-60 mol% tin tetrachloride, the catalyst being puliminarily treated with hydrogen fluoride at 20-150 C and a pressure of 0.1-2.3 MPa. EFFECT: more efficient process. 2 tbl

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RU 2 039 034 C1

Authors

Orlov A.P.

Shchavelev V.B.

Jakovlev V.A.

Dates

1995-07-09—Published

1992-04-20—Filed

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