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2 044 802

(13)

C1

(51)

IPC

(21) (22)

Application

92012249/26, 1992-12-15

(22)

Actual filing date

1992-12-15

(45)

Published

1995-09-27

(72)

Inventor

Krasnova T.M.Chumaevskij V.A.

(73)

Holder

Tovarishchestvo S Ogranichennoj Otvetstvennost'Ju

SOLUTION FOR PHOSPHATING METALLIC SURFACE Russian patent published in 1995 - IPC

Abstract RU 2044802 C1

FIELD: metal protection against corrosion. SUBSTANCE: solution has, wt. -% phosphate ions as wet-process phosphoric acid (as P2O5) 4.5-17.0; magnesium nitrate 0.6-2.4; molybdenum ions 0.01-0.054, and water the rest. EFFECT: enhanced corrosion stability, improved physico-chemical indices, decreased reagent consumption, prolonged working life of articles with phosphate coating. 1 tbl

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RU 2 044 802 C1

Authors

Krasnova T.M.

Chumaevskij V.A.

Dates

1995-09-27—Published

1992-12-15—Filed

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