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2 046 804

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C1

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IPC

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Application

5042185/05, 1992-05-15

(22)

Actual filing date

1992-05-15

(45)

Published

1995-10-27

(72)

Inventor

Russak A.V.Borejko N.P.Mel'Nikov G.N.Saljakhov D.R.

(73)

Holder

Nizhnekamskoe Proizvodstvennoe Ob"Edinenie

PROCESS FOR INHIBITING POLYMERIZATION OF VINYL AROMATIC MONOMERS Russian patent published in 1995 - IPC

Abstract RU 2046804 C1

FIELD: petrochemical industry. SUBSTANCE: in order to prevent polymerization of vinyl aromatic compounds during their storage, transportation and preparation, an inhibitory mixture is added. The mixture comprises 0.1-1000 ppm of hydroxylamine derivatives, 0.1-1000 ppm of aminophenol and 0.05-500 ppm of aliphatic C10-C20 carboxylic acid. The mixture shows a synergetic effect. EFFECT: improved inhibition process. 1 tbl

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RU 2 046 804 C1

Authors

Russak A.V.

Borejko N.P.

Mel'Nikov G.N.

Saljakhov D.R.

Dates

1995-10-27—Published

1992-05-15—Filed

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