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2 113 542

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IPC

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Application

93017413/02, 1993-04-06

(22)

Actual filing date

1993-04-06

(45)

Published

1998-06-20

(72)

Inventor

Kravtsov E.E.Kondratenko T.S.Kaliev S.G.Starkova N.N.Pankratova E.V.Novikova N.P.

(73)

Holder

Kravtsov Evgenij Evgen'Evich

CORROSION INHIBITOR OF METALS IN SULFURIC AND IN HYDROGEN CHLORIDE ACIDS Russian patent published in 1998 - IPC

Abstract RU 2113542 C1

FIELD: protection against metal corrosion; etching of metals in machine building and other industries. SUBSTANCE: corrosion inhibitor of metals in sulfuric and in hydrogen chloride acids comprises, mas.%: N-(n-oxybenzylalydene)-N′-(3′--methoxy-6-pyridazyl)-sulfanyl amide, 32.2-38.5; trimethylundecyl ammonium chloride, 38.4-48.4; 2-(2-oxy-4-dimethylaminobenzoyl)-4-nitrobenzoic acid, 19.4-23.1. EFFECT: increased protection of steel, titanium, nickel and cobalt against corrosion; decreased hydrogen absorption of steel. 2 tbl

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RU 2 113 542 C1

Authors

Kravtsov E.E.

Kondratenko T.S.

Kaliev S.G.

Starkova N.N.

Pankratova E.V.

Novikova N.P.

Dates

1998-06-20—Published

1993-04-06—Filed

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