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2 398 915

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(51)

IPC

C23F11/04(2006-01-01)

(21) (22)

Application

2009121255/02, 2009-06-03

(24)

Start date

2009-06-03

(22)

Actual filing date

2009-06-03

(45)

Published

2010-09-10

(72)

Inventor

Kravtsov Evgenij Evgen'EvichKinzhieva Ehl'Vina NuritdinovnaAptekar' Mikhail DavydovichRedichkina Aleksandra MaksimovnaShagirov Talgat ValitkhanovichStarkova Natal'Ja NikolaevnaOgorodnikova Nadezhda Petrovna

(73)

Holder

Federal'Noe Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Tekhnicheskij Universitet"

INHIBITOR OF METAL CORROSION IN SULPHURIC AND HYDROCHLORIC ACIDS Russian patent published in 2010 - IPC C23F11/04

Abstract RU 2398915 C1

FIELD: metallurgy.

SUBSTANCE: inhibitor contains, wt % 5-chlor-2- propionamide-4-methylthiazol 14.9-11.7, 2.6-dimethyl-4-tridecylmorpholin 18.0-22.9, 2-metoxi-5-acetyl-n-phenylendiamine 15.8-27.2, polyethylenpolyamine 51.3-38.2.

EFFECT: retarded corrosion of steel, nickel, cobalt and chromium, reduced hydrogen pickup of steel.

2 tbl, 4 ex

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RU 2 398 915 C1

Authors

Kravtsov Evgenij Evgen'Evich

Kinzhieva Ehl'Vina Nuritdinovna

Aptekar' Mikhail Davydovich

Redichkina Aleksandra Maksimovna

Shagirov Talgat Valitkhanovich

Starkova Natal'Ja Nikolaevna

Ogorodnikova Nadezhda Petrovna

Dates

2010-09-10—Published

2009-06-03—Filed