Method for preventing or retarding the formation of gas hydrates
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United States of America Patent
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Sep 17, 2002
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app pub date -
Jul 13, 1999
filing date -
Jul 13, 1999
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Abstract
A composition for preventing or retarding the formation of gas hydrates during the transport of a fluid comprising water and a hydrocarbon through a conduit. The composition is a homopolymer of vinyl caprolactam, or copolymers thereof, having a low molecular weight in the range of 500 to 2500, which is made in a polymerization solvent, preferably a glycol ether, most preferably 2-butoxyethanol and also including a carrier solvent, preferably monoethylene glycol.
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