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2 176 257

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IPC

(21) (22)

Application

99111559/04, 1999-06-01

(24)

Start date

1999-06-01

(22)

Actual filing date

1999-06-01

(45)

Published

2001-11-27

(72)

Inventor

Asfandijarov L.Kh.Ivanov G.E.Gil'Mutdinov A.V.Kalimullin A.A.Akchurin Kh.I.Konesev G.V.Muljukov R.A.Istomin N.N.Lishtakov A.I.Galjautdinov A.A.Shereshovets V.V.Dokichev V.A.Junusov M.S.Sultanova R.M.

(73)

Holder

Asfandijarov Lutfurakhman KhabibrakhmanovichIvanov Georgij EfimovichGil'Mutdinov Aleksandr ValeevichKalimullin Al'Bert AkhmetovichAkchurin Khamza IskhakovichKonesev Gennadij Vasil'EvichMuljukov Rinat AbdrakhmanovichIstomin Nikolaj NikolaevichLishtakov Aleksandr IvanovichGaljautdinov Anver AmirovichShereshovets Valerij VladimirovichDokichev Vladimir Anatol'EvichJunusov Marat SabirovichSultanova Rimma Marsel'Evna

COMPOSITION FOR PROTECTION OF METALS FROM CORROSION IN MINERALIZED HYDROGEN SULFIDE-CONTAINING AQUEOUS MEDIA Russian patent published in 2001 - IPC

Abstract RU 2176257 C2

FIELD: protection of metals from corrosion in mineralized aqueous media in petroleum-extracting industry and protection of pipelines from hydrogen sulfide corrosion. SUBSTANCE: composition comprises, %: mixture of dimers of alpha-methyl styrene n-cumyll phenol at 60:40 ratio, 10-15; oxyethylated alkylphenols or neonols, 2-6; n-butanol, 8-10; nephrace, grade 150-200, 9-14; superheavy petroleum solvent, 27-54; and oxal flotation reagent. EFFECT: greater protection efficiency, improved technological properties, reduced consumption and wider temperature range of using inhibitor. 7 tbl

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RU 2 176 257 C2

Authors

Asfandijarov L.Kh.

Ivanov G.E.

Gil'Mutdinov A.V.

Kalimullin A.A.

Akchurin Kh.I.

Konesev G.V.

Muljukov R.A.

Istomin N.N.

Lishtakov A.I.

Galjautdinov A.A.

Shereshovets V.V.

Dokichev V.A.

Junusov M.S.

Sultanova R.M.

Dates

2001-11-27—Published

1999-06-01—Filed