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2 425 911

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(51)

IPC

C23C22/30(2006-01-01)

C23C22/33(2006-01-01)

C23C22/38(2006-01-01)

(21) (22)

Application

2010101654/02, 2010-01-19

(24)

Start date

2010-01-19

(22)

Actual filing date

2010-01-19

(45)

Published

2011-08-10

(72)

Inventor

Sadkov Aleksej BorisovichSerov Sergej VladimirovichVeshnev Petr AleksandrovichChumaevskij Viktor AlekseevichMjakisheva Elena AlekseevnaKazennova Elena Ivanovna

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo

CHROMATISING COMPOSITION FOR TREATMENT OF ZINC-PLATED SURFACE Russian patent published in 2011 - IPC C23C22/30 C23C22/33 C23C22/38

Abstract RU 2425911 C1

FIELD: metallurgy.

SUBSTANCE: chromatising composition for treatment of zinc-plated surface contains g/l: ions of CrO₃ 51.0 - 90.0; ions of Cr³⁺ 1.0 - 1.5; ions of phosphate 102.0 - 120.0; ions of fluro-zirconate 0.1 - 4.0; poly-acrylate of ammonium 3.0 - 6.0.

EFFECT: good corrosion resistance of zinc-plated surface without colouration at treatment by express method during 1-3 seconds.

1 tbl, 4 ex

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RU 2 425 911 C1

Authors

Sadkov Aleksej Borisovich

Serov Sergej Vladimirovich

Veshnev Petr Aleksandrovich

Chumaevskij Viktor Alekseevich

Mjakisheva Elena Alekseevna

Kazennova Elena Ivanovna

Dates

2011-08-10—Published

2010-01-19—Filed