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2 174 112

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IPC

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Application

2000123617/04, 2000-09-13

(24)

Start date

2000-09-13

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Actual filing date

2000-09-13

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Published

2001-09-27

(72)

Inventor

Komarov V.A.Sapunkova V.V.Filatova N.A.

(73)

Holder

Voronezhskoe Otkrytoe Aktsionernoe Obshchestvo

METHOD OF DECOLORATION OF STYRENE Russian patent published in 2001 - IPC

Abstract RU 2174112 C1

FIELD: preparation of discolorated styrene in petrochemical industry. SUBSTANCE: styrene is prepared by dehydrogenation of ethyl benzene or during combined preparation of propylene oxide and styrene. The resulting styrene is treated with nitrogen at rate of 0.6-1.0 l of nitrogen per liter of styrene per min. EFFECT: more efficient decoloration method. 1 tbl

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RU 2 174 112 C1

Authors

Komarov V.A.

Sapunkova V.V.

Filatova N.A.

Dates

2001-09-27—Published

2000-09-13—Filed

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