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2 415 970

(13)

(51)

IPC

C23F11/04(2006-01-01)

(21) (22)

Application

2008120444/02, 2008-05-22

(24)

Start date

2008-05-22

(22)

Actual filing date

2008-05-22

(45)

Published

2011-04-10

(72)

Inventor

Khusnitdinov Ramil' NuritdinovichAbdrakhmanov Il'Dus BarievichMustafin Akhat Gaziz'JanovichGataullin Rail RafkatovichChernova Valentina Anatol'Evna

(73)

Holder

Institut Organicheskoj Khimii Ufimskogo Nauchnogo Tsentra Ran

INHIBITOR OF CARBONIC-ACIDIC CORROSION OF STEEL Russian patent published in 2011 - IPC C23F11/04

Abstract RU 2415970 C2

FIELD: metallurgy.

SUBSTANCE: invention can be used at protection of pipelines and equipment in oil industry from corrosion. To protect metals in mineralised mediums containing carbon dioxide there is used 4-methyl-2.6-di-(1¹-methyl-2¹-buthenyl)aniline. Degree of protection from corrosion in mineralised mediums comes to 68.0-97.9 %.

EFFECT: upgraded efficiency of protection of metals from corrosion.

1 tbl, 3 ex

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RU 2 415 970 C2

Authors

Khusnitdinov Ramil' Nuritdinovich

Abdrakhmanov Il'Dus Barievich

Mustafin Akhat Gaziz'Janovich

Gataullin Rail Rafkatovich

Chernova Valentina Anatol'Evna

Dates

2011-04-10—Published

2008-05-22—Filed