Patent ID: 6359047
Filing Date: 2002-03-19
Classification: C09K,C10L,Y10S,Y10T

Abstract:
A gas hydrate inhibitor composition for preventing or retarding the formation of gas hydrates or for reducing the tendency of gas hydrates to agglomerate consisting essentially of, by weight, in an amount of about 30 to 50% of the total composition, a copolymer of about 80 to about 95% of polyvinyl caprolactam and about 5 to about 20% of a comonomer which Is an N,N-dialkylaminoethyl(meth)acrylate or N-(3-dimethylaminopropyl) methacrylamide, which copolymer is made and used in a low molecular weight glycol ether containing an alkoxy group having at least 3 carbon atoms.