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Application

99121112/02, 1999-10-07

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Start date

1999-10-07

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Actual filing date

1999-10-07

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Published

2001-06-10

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Inventor

Malkov Ju.K.Varnavskaja O.A.Lebedev N.A.Khlebnikov V.N.Khvatova L.K.Bradel'Shchikova T.A.Smolentseva S.I.

(73)

Holder

Oao

CORROSION INHIBITOR FOR HYDROGEN SULFIDE-CONTAINING OIL-FIELD MEDIA Russian patent published in 2001 - IPC

Abstract RU 2168561 C1

FIELD: corrosion protection. SUBSTANCE: corrosion inhibitor contains 10- 35% of fatty amine with 8-22 carbon atoms or product of interaction of C8- C12-alkylphenol, formaldehyde-containing product, and secondary amine of general formula R1R2NH, wherein R1 and R2 denote methyl, ethyl, hydroxymethyl, or hydroxy(iso)propyl, at molar ratio 1:(0.8-1.2):(0.8-1.2), respectively; 10-35% of nonionic surfactant; and solvent (the balance). EFFECT: achieved higher activity in low doses. 2 tbl, 39 ex

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RU 2 168 561 C1

Authors

Malkov Ju.K.

Varnavskaja O.A.

Lebedev N.A.

Khlebnikov V.N.

Khvatova L.K.

Bradel'Shchikova T.A.

Smolentseva S.I.

Dates

2001-06-10—Published

1999-10-07—Filed

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