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Application

99124555/02, 1999-11-22

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Start date

1999-11-22

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Actual filing date

1999-11-22

(45)

Published

2001-05-10

(72)

Inventor

Agapitov V.A.Bessonova M.P.Kunaev N.A.Krasnoshchekov V.I.Chekanov Ju.A.Safonov V.N.Sapurin L.Ju.Ogurtsov A.N.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Mekhanicheskij Zavod"

SOLUTION FOR CONTACT COPPER PLATING OF HIGH- MELTING METALS Russian patent published in 2001 - IPC

Abstract RU 2166560 C1

FIELD: application of metal coatings, more particularly high-melting metals, e. g. zirconium and alloys thereof, application of lubricant during drawing operation. SUBSTANCE: solution comprises, g/l: copper sulfate, 100-200 hydrofluoric acid, 5-20; corrosion inhibitor is toluylene diamine and/or product of condensation of urothropin, 0.01-0.05 and nonionic surfactant, 0.1- 0.4. Invention makes it possible to increase adhesion of copper coating, improve quality of final products and prolong service life of copper plating solution. EFFECT: improved properties of the solution. 2 cl, 6 ex, 3 tbl _

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RU 2 166 560 C1

Authors

Agapitov V.A.

Bessonova M.P.

Kunaev N.A.

Krasnoshchekov V.I.

Chekanov Ju.A.

Safonov V.N.

Sapurin L.Ju.

Ogurtsov A.N.

Dates

2001-05-10—Published

1999-11-22—Filed