Kinetic hydrate inhibitors with pendent amino functionality
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United States of America Patent
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Dec 12, 2017
Grant Date -
May 22, 2014
app pub date -
Nov 16, 2012
filing date -
Nov 16, 2012
priority date (Note) -
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Abstract
A kinetic gas hydrate inhibitor is provided as a polyester polymer with a plurality of amino or ammonium groups pendent directly from the backbone. A composition containing concentrated kinetic inhibitor is injected into gas wells, or into other systems involving transporting liquid gas mixtures through a conduit. Use of the kinetic inhibitor prevents formation of gas hydrates under conditions of temperature and pressure where they would otherwise occur.
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