Patent ID: 7837746

Claim:
A mixture inhibited against hydrocarbon hydrate formation in the presence of water, the mixture comprising water; hydrate-forming guest molecules selected from the group consisting of methane, ethane, ethylene, acetylene, propane, propylene, methylacetylene, n-butane, isobutane, 1-butene, trans-2-butene, cis-2-butene, isobutene, butene mixtures, isopentane, pentenes, natural gas, carbon dioxide, hydrogen sulfide, nitrogen, oxygen, argon, krypton, xenon, and mixtures thereof; and a composition, where the composition comprises a reaction product of a first reactant selected from the group consisting of amines, polyamines, alcohols and polyalcohols with a second, aldehyde reactant, and a third reactant selected from the group consisting of alcohols, polyalcohols, amides and polyamides, where the first and third reactants are different; and the composition amount is effective in inhibiting formation of the hydrocarbon hydrates.