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2 074 164

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C1

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IPC

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Application

94013071/04, 1994-04-12

(22)

Actual filing date

1994-04-12

(45)

Published

1997-02-27

(72)

Inventor

Kharitonov A.S.Panov G.I.Sheveleva G.A.Pirjutko L.V.Voskresenskaja T.P.Sobolev V.I.

(73)

Holder

Institut Kataliza Im.G.K.Boreskova So Ran

METHOD OF PRODUCING PHENOL AND DERIVATIVES THEREOF Russian patent published in 1997 - IPC

Abstract RU 2074164 C1

FIELD: industrial organic synthesis. SUBSTANCE: phenol or its derivatives are produced via gas phase oxidative hydroxylation of benzene or its derivatives with nitrogen monoxide at 225-450 C in presence of preliminarily activated zeolite catalyst. Activation is carried out at 350-950 C with steam or with steam-diluent gas mixture wherein steam concentration ranges from 3 to 100 mol %. Preferable diluents are air, carbon dioxide, oxygen, an inert gas, or their mixture. EFFECT: enhanced efficiency of process. 2 cl, 4 tbl

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RU 2 074 164 C1

Authors

Kharitonov A.S.

Panov G.I.

Sheveleva G.A.

Pirjutko L.V.

Voskresenskaja T.P.

Sobolev V.I.

Dates

1997-02-27—Published

1994-04-12—Filed

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