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2 157 362

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Application

98104730/04, 1998-03-12

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Start date

1998-03-12

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Actual filing date

1998-03-12

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Published

2000-10-10

(72)

Inventor

Dedov A.S.Zakharov V.Ju.Masljakov A.I.Golubev A.N.Vereshchagina N.S.Frendak V.M.Antipenok V.F.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Khimicheskij Kombinat Imeni B.P. Konstantinova"

METHOD OF PURIFYING 1,1,1-FLUORODICHLOROETHANE Russian patent published in 2000 - IPC

Abstract RU 2157362 C2

FIELD: chemical industry. SUBSTANCE: described is purifying 1,1,1-fluorodichloroethane from vinylidene chloride by contacting with chlorine. Contacting is conducted with or without solid contact at room or elevated temperature and residence time sufficient for reacting vinylidene chloride with chlorine. Molar ratio of chlorine being fed to vinylidene chloride in the product to be purified is more than 5:1. EFFECT: explosion proofness of the process and higher degree of purification of the final product. 5 cl, 16 ex, 1 tbl

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RU 2 157 362 C2

Authors

Dedov A.S.

Zakharov V.Ju.

Masljakov A.I.

Golubev A.N.

Vereshchagina N.S.

Frendak V.M.

Antipenok V.F.

Dates

2000-10-10—Published

1998-03-12—Filed

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