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2 198 961

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IPC

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Application

2001118947/02, 2001-07-06

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Start date

2001-07-06

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Actual filing date

2001-07-06

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Published

2003-02-20

(72)

Inventor

Gil'Mutdinov A.V.

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo

METAL CORROSION INHIBITOR IN AQUEOUS HYDROGEN SULFIDE MEDIA Russian patent published in 2003 - IPC

Abstract RU 2198961 C1

FIELD: corrosion protection. SUBSTANCE: metal corrosion inhibitor suitable for protection of oil-field equipment contains 8-55% of product of interaction of 1 wt part of tallow oil or oleic acid with 0.1-0.5 wt parts of an amine, 6-10% of nonionic surfactant, and solvent, said amine being mixture of primary amines C10-C14 or amines of coconut oil fatty acids and an ethanolamine selected from mono-, di-, and triethanolamines taken at ratio between 5: 1 and 1:5. EFFECT: considerably reduced metal degradation velocity. 1 tbl, 4 ex

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RU 2 198 961 C1

Authors

Gil'Mutdinov A.V.

Dates

2003-02-20—Published

2001-07-06—Filed

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