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2 155 179

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C1

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IPC

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Application

99116716/04, 1999-08-02

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Start date

1999-08-02

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Actual filing date

1999-08-02

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Published

2000-08-27

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Inventor

Barabanov V.G.Kuznetsov A.S.Il'In A.N.Denisenkov V.F.Uklonskij I.P.

(73)

Holder

Aozt Astor

METHOD OF PREPARING HEXAFLUOROETHANE Russian patent published in 2000 - IPC

Abstract RU 2155179 C1

FIELD: chemical industry. SUBSTANCE: hexafluoroethane is prepared by fluorination of tetrafluoroethylene with fluorine in inert liquid. Process is carried out in fluorine containing liquid at temperatures ranging from minus 55 C to minus 80 C in the presence of difluoromethane and trifluoroethylene total content of which is 1×10-5-2,1×10-2 vol % based on original tetrafluoroethylene. EFFECT: increased yield of the desired product. 1 tbl

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RU 2 155 179 C1

Authors

Barabanov V.G.

Kuznetsov A.S.

Il'In A.N.

Denisenkov V.F.

Uklonskij I.P.

Dates

2000-08-27—Published

1999-08-02—Filed

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