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2 160 246

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Application

99115695/04, 1999-07-21

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Start date

1999-07-21

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Actual filing date

1999-07-21

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Published

2000-12-10

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Inventor

Golubev A.N.Dedov A.S.Zhukova V.A.Zakharov V.Ju.Zakharova N.V.Lejferov S.E.Masljakov A.I.Novikova M.D.Nasonov Ju.B.Shibnev V.G.Shabalin D.A.

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Holder

Oao Khimicheskij Kombinat Im. B.P. Konstantinova"

METHOD OF PREPARING OCTAFLUOROCYCLOBUTANE Russian patent published in 2000 - IPC

Abstract RU 2160246 C1

FIELD: chemical industry, more particularly purification of octafluorocyclobutane from unsaturated impurities. SUBSTANCE: method fluorocyclobutane from unsaturated impurities. Method comprises contacting with modified aluminium oxide in gas phase at elevated temperature. Octafluorocyclobutane is first mixed with hydrogen. Aluminium oxide modifier is palladium, and condensed product is rectified. EFFECT: increased service life of aluminium oxide and reduced consumption thereof. 4 cl, 8 ex, 1 tbl

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RU 2 160 246 C1

Authors

Golubev A.N.

Dedov A.S.

Zhukova V.A.

Zakharov V.Ju.

Zakharova N.V.

Lejferov S.E.

Masljakov A.I.

Novikova M.D.

Nasonov Ju.B.

Shibnev V.G.

Shabalin D.A.

Dates

2000-12-10—Published

1999-07-21—Filed

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