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2 149 153

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C1

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IPC

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Application

98119342/04, 1998-10-26

(24)

Start date

1998-10-26

(22)

Actual filing date

1998-10-26

(45)

Published

2000-05-20

(72)

Inventor

Gogotov A.F.Zakazov A.N.Amosov V.V.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod Polimerov"

INHIBITING STYRENE THERMOPOLYMERIZATION COMPOSITION Russian patent published in 2000 - IPC

Abstract RU 2149153 C1

FIELD: technology of polymers and monomers, more particularly distillation of styrene form reaction mixture. SUBSTANCE: composition comprises wt. %: Mannich base, 0.3-0.06; tertbutylpyrocatechin or fraction of diatomic phenols (pyrocatechin fraction) and solid fuel simicoking process, 0.045-0.06, calculated for styrene. EFFECT: greater effectiveness of inhibition of styrene thermopolymerization. 12 ex, 4 tbl

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RU 2 149 153 C1

Authors

Gogotov A.F.

Zakazov A.N.

Amosov V.V.

Dates

2000-05-20—Published

1998-10-26—Filed

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