Corrosion inhibitor compositions and methods of using same
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United States of America Patent
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Oct 22, 2019
Grant Date -
Oct 26, 2017
app pub date -
Apr 24, 2017
filing date -
Apr 25, 2016
priority date (Note) -
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Abstract
We disclose the use of an aliphatic tertiary amino functional compound to suppress H2S formation of a sulfur-based corrosion inhibitor during storage of the sulfur-based corrosion inhibitor in a substantially enclosed container. Thus, disclosed herein is a stabilized corrosion inhibitor composition comprising a sulfur-based corrosion inhibitor and an aliphatic tertiary amino functional compound. Also disclosed herein is a method of storing a corrosion inhibitor composition by combining a sulfur-based corrosion inhibitor and an aliphatic tertiary amino functional compound to form a stabilized corrosion inhibitor composition; and storing the stabilized corrosion inhibitor composition in a substantially enclosed container for a storage period, wherein substantially no H2S is formed within the container during the storage period.
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