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2 134 257

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IPC

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Application

98107287/04, 1998-04-20

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Start date

1998-04-20

(22)

Actual filing date

1998-04-20

(45)

Published

1999-08-10

(72)

Inventor

Igumnov S.M.Bazanov A.G.Shipigusev A.A.Soshin V.A.Lekontseva G.I.Il'In A.N.Denisenkov V.F.

(73)

Holder

Permskij Filial Rossijskogo Nauchnogo Tsentra Khimija"

METHOD OF HYDROFLUORINATION OF FLUOROOLEFINS Russian patent published in 1999 - IPC

Abstract RU 2134257 C1

FIELD: chemical industry. SUBSTANCE: method is carried out using hydrogen fluoride at elevated temperature in the presence of catalyst. Catalyst is activated carbon promoted by alkali metal fluorides. Promoter is potassium or sodium or cesium or rubidium fluoride. Content of promoters varies from 0.05 to 0.5 kg per 1 cu.dm of catalyst. EFFECT: increased yield of products and general purpose technology for preparing coolants. 3 cl, 1 tbl

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RU 2 134 257 C1

Authors

Igumnov S.M.

Bazanov A.G.

Shipigusev A.A.

Soshin V.A.

Lekontseva G.I.

Il'In A.N.

Denisenkov V.F.

Dates

1999-08-10—Published

1998-04-20—Filed