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2 097 445

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Application

5017477/25, 1991-09-09

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Actual filing date

1991-09-09

(45)

Published

1997-11-27

(72)

Inventor

Orekhov A.I.Urjadov V.G.Liakumovich A.G.Vorozhejkin A.P.Pavlov V.A.Gorin B.I.Aristova N.V.Judina I.G.

(73)

Holder

Nizhnekamskoe Proizvodstvennoe Ob"Edinenie

INHIBITOR OF CORROSION OF CARBON STEEL IN ACID AND NEUTRAL OXYGEN-CONTAINING AQUEOUS SOLUTIONS Russian patent published in 1997 - IPC

Abstract RU 2097445 C1

FIELD: petrochemistry, particularly, inhibitor of corrosion of carbon steel in acid and neutral oxygen-containing solutions. SUBSTANCE: inhibitor of corrosion comprises, w.p.: ammonium, 0.50-1.00; morpholine, 5.00-20.00; low boiling amines, among them N-ethyl morpholine, 1.50-54.50; high boiling amines, among them 2, β--/di-/N-morpholine/-diethyl ether, 5.00-15.00; ethylene glycol, 1.00-3.00; diethylene glycol, 30.00-60.00; cobalt sulfate, 3.00-6.00; salt comprising anion of metal having variable valence, 15.00-5.00; antioxidant, 6.00-30.00. EFFECT: improved quality of desired product. 2 cl, 2 tbl

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RU 2 097 445 C1

Authors

Orekhov A.I.

Urjadov V.G.

Liakumovich A.G.

Vorozhejkin A.P.

Pavlov V.A.

Gorin B.I.

Aristova N.V.

Judina I.G.

Dates

1997-11-27—Published

1991-09-09—Filed

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