Method for inhibiting the plugging of conduits by gas hydrates
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United States of America Patent
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Dec 27, 2016
Grant Date -
Nov 6, 2014
app pub date -
Dec 17, 2012
filing date -
Dec 20, 2011
priority date (Note) -
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Abstract
A method for inhibiting the plugging of a conduit containing a flowable mixture comprising at least an amount of hydrocarbons capable of forming hydrates in the presence of water and an amount of water, which method comprises adding to the mixture an amount of a functionalized dendrimer effective to inhibit formation and/or accumulation of hydrates in the mixture at conduit temperatures and pressures; and flowing the mixture containing the functionalized dendrimer and any hydrates through the conduit wherein the functionalized dendrimer comprises at least one ammonium functional end group.
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