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1 586 127

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A1

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IPC

(21) (22)

Application

4469602/04, 1988-08-01

(22)

Actual filing date

1988-08-01

(45)

Published

1995-11-20

(72)

Inventor

Khaldeev G.V.Novoselova E.A.Koz'Minykh V.O.Igidov N.M.Koz'Minykh E.N.Andrejchikov Ju.S.

BENZOPHENONE HYDRAZONE HYDROBROMIDE AS AN INHIBITOR OF CARBON STEEL ACID CORROSION Russian patent published in 1995 - IPC

Abstract SU 1586127 A1

FIELD: organic chemistry. SUBSTANCE: product: benzophenone hydrazone hydrobromide. Synthesis is carried out by reaction of benzophenone hydrazone with gaseous HCl. The yield is 80% m. p. is 203-205 C, empirical formula is C13H13BrN2. New compound taken at concentration 1 g/l protects by 76.04-45% against corrosion in acid media as compared with 51-42% for the known compounds which protect in acid media at concentration 5 g/l only. EFFECT: detection of corrosion inhibitors, enhanced effectiveness of corrosion inhibitor. 1 tbl

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SU 1 586 127 A1

Authors

Khaldeev G.V.

Novoselova E.A.

Koz'Minykh V.O.

Igidov N.M.

Koz'Minykh E.N.

Andrejchikov Ju.S.

Dates

1995-11-20—Published

1988-08-01—Filed

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