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2 182 192

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Application

2000129012/02, 2000-11-22

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Start date

2000-11-22

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Actual filing date

2000-11-22

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Published

2002-05-10

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Inventor

Gusarov V.I.Slepokon' Ju.I.Lysenko A.A.Prozorov V.V.Rjakhin V.M.

(73)

Holder

Gosudarstvennoe Predprijatie Kurskaja Atomnaja Ehlektrostantsija

METHOD FOR PROTECTING PEARLITE STEELS AGAINST CORROSION Russian patent published in 2002 - IPC

Abstract RU 2182192 C1

FIELD: protection of metals against corrosion, particularly protection of pearlite steels by creating onto steel surface protective films and subsequently adding corrosion inhibitors to aqueous or steam medium. SUBSTANCE: method comprises steps of chemical treatment of steel surface until formation onto said surface oxide coating such as spinal type coating with thickness no less than 0.2 micrometers and subsequently adding anode type corrosion inhibitor to system. Inhibition may be realized in desalinized water while using as inhibitor hydroxide and nitrite. EFFECT: lowered concentration of inhibitor, practically complete suppression of corrosion, enlarged temperature range of protecting properties of used inhibitors. 3 cl, 4 tbl, 4 ex

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RU 2 182 192 C1

Authors

Gusarov V.I.

Slepokon' Ju.I.

Lysenko A.A.

Prozorov V.V.

Rjakhin V.M.

Dates

2002-05-10—Published

2000-11-22—Filed

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