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2 139 955

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IPC

(21) (22)

Application

96124647/02, 1996-12-27

(22)

Actual filing date

1996-12-27

(45)

Published

1999-10-20

(72)

Inventor

Dolinkin V.N.Bobkova L.V.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Nauchno-Issledovatel'Skij Institut

COMPOSITION FOR PROTECTION OF METALS FROM ACID CORROSION Russian patent published in 1999 - IPC

Abstract RU 2139955 C1

FIELD: compositions for protection of metals from acid corrosion. SUBSTANCE: composition is based on still bottoms of rectification of high pyridine bases, with boiling temperature in excess of 250 C at pressure of 760 mm Hg, and including components with relative hold-up time in excess of 3-4, and content of basic nitrogen of 7.3-7.7 wt.%. EFFECT: higher efficiency in use with no strong pyridine smell. 5 cl

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RU 2 139 955 C1

Authors

Dolinkin V.N.

Bobkova L.V.

Dates

1999-10-20—Published

1996-12-27—Filed

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