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2 398 050

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(51)

IPC

C23F11/167(2006-01-01)

(21) (22)

Application

2008148214/02, 2008-12-09

(24)

Start date

2008-12-09

(22)

Actual filing date

2008-12-09

(45)

Published

2010-08-27

(72)

Inventor

Tsirul'Nikova Nina VladimirovnaKuznetsov Jurij IgorevichFetisova Tat'Jana SergeevnaChicherina Galina PetrovnaChirkunov Aleksandr Aleksandrovich

(73)

Holder

Gosudarstvennyj Ordena Trudovogo Krasnogo Znameni Nauchno-Issledovatel'Skij Institut Khimicheskikh Reaktivov I Osobo Chistykh Khimicheskikh Veshchestv Irea"

COMPOSITION FOR INHIBITING SCALING AND CORROSION OF METALS IN WATER CONSUMPTION SYSTEMS Russian patent published in 2010 - IPC C23F11/167

Abstract RU 2398050 C1

FIELD: chemistry.

SUBSTANCE: invention can be used for stabilised water treatment in water circulation systems of industrial and power generation enterprises and in public services. The composition contains hydroxyethylidene diphosphonic acid (HEDP), nitrilotrimethyl phosphonic acid (NTP), hexamethylenediamine-tetramethylene phosphonic acid (HMDTP) in water in molar ratio of total amount of HEDP and NTP to the amount of HMDTP equal to (2-4):1.

EFFECT: obtaining a non-toxic composition which is highly efficient at low concentrations.

3 ex

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RU 2 398 050 C1

Authors

Tsirul'Nikova Nina Vladimirovna

Kuznetsov Jurij Igorevich

Fetisova Tat'Jana Sergeevna

Chicherina Galina Petrovna

Chirkunov Aleksandr Aleksandrovich

Dates

2010-08-27—Published

2008-12-09—Filed