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2 285 744

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(51)

IPC

C23C22/05(2006-01-01)

(21) (22)

Application

2005110527/02, 2005-04-11

(24)

Start date

2005-04-11

(22)

Actual filing date

2005-04-11

(45)

Published

2006-10-20

(72)

Inventor

Vedeneeva Natal'Ja Valer'EvnaKuznetsov Ehduard AlekseevichJavrumova Nina Vladimirovna

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD OF PREPARATION OF PHOSPHATING SOLUTIONS Russian patent published in 2006 - IPC C23C22/05

Abstract RU 2285744 C1

FIELD: mechanical engineering; application of various phosphate coats.

SUBSTANCE: proposed method includes dissolving of phosphating concentrates in water at introduction of PHOSPHONE-203 detergent into solution in the amount of 1 g/l.

EFFECT: reduction of sludge formation; avoidance of losses of chemicals (reduction of total acidity of solution).

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RU 2 285 744 C1

Authors

Vedeneeva Natal'Ja Valer'Evna

Kuznetsov Ehduard Alekseevich

Javrumova Nina Vladimirovna

Dates

2006-10-20—Published

2005-04-11—Filed