CORROSION INHIBITOR FOR PROTECTING STEEL DOWNHOLE EQUIPMENT AND OIL- GATHERING SYSTEMS Russian patent published in 2000 - IPC

Abstract RU 2151217 C1

FIELD: corrosion protection. SUBSTANCE: inhibitor represents a product of condensation of pitch concentrate (19- 21%) with mixture of tallow oil fatty acids (1.2-1.25) and ethylenediamine (3.6%) in aromatic solvent (to 100%) and acetone (5.95%). EFFECT: enhanced aftereffect. 2 tbl

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RU 2 151 217 C1

Authors

Dates

2000-06-20Published

1999-04-01Filed