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2 105 085

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C1

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IPC

(21) (22)

Application

94004033/02, 1994-02-04

(22)

Actual filing date

1994-02-04

(45)

Published

1998-02-20

(72)

Inventor

Gurvich L.Ja.Butkova E.V.Lashchevskij V.B.Shubadeeva L.I.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij Institut Aviatsionnykh Materialov

COMPOSITION FOR REMOVING ATMOSPHERE CORROSION PRODUCTS FROM SURFACE OF STAINLESS STEEL Russian patent published in 1998 - IPC

Abstract RU 2105085 C1

FIELD: corrosion protection. SUBSTANCE: composition contains (in g/kg): phosphoric acid, 200-300; oxalic acid, 5-10; a surfactant, 1-6; silicon oxide, 40-75; and water, the balance. Stainless steels with reduced chromium content, up to 13%, are treated with composition supplemented by inhibitor selected from the group of catapines in quantity 5-10 g/kg. EFFECT: facilitated metal surface cleaning. 2 cl, 4 tbl

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RU 2 105 085 C1

Authors

Gurvich L.Ja.

Butkova E.V.

Lashchevskij V.B.

Shubadeeva L.I.

Dates

1998-02-20—Published

1994-02-04—Filed

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