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    • 3. 发明授权
    • Method and compositions for inhibiting formation of hydrocarbon hydrates
    • 抑制烃水合物形成的方法和组合物
    • US07696393B2
    • 2010-04-13
    • US10526298
    • 2003-09-03
    • Gordon Thomas RiversDaniel Lee Crosby
    • Gordon Thomas RiversDaniel Lee Crosby
    • C07C9/00
    • C10L3/10C09K8/52C09K2208/22
    • A method for inhibiting formation of hydrocarbon hydrates in mixtures of water and a hydrate-forming guest molecule has been discovered that involves adding a composition to the mixtures in an amount that is effective in inhibiting formation of the hydrocarbon hydrates under conditions otherwise effective to form the hydrocarbon hydrates in the absence of the reaction product. The composition includes at least one dendrimeric compound having a number average molecular weight of at least 1,000 atomic mass units (amu); and at least one small molecular weight species having less than 1,000 amu, selected from the group consisting of polyalkyleneimine, polyallylamine, starch, sugars, and polymers or copolymers of vinyl alcohol or allyl alcohol; and, optionally, at least one surfactant.
    • 已经发现了一种用于在水和形成水合物的客体分子的混合物中抑制烃水合物的形成的方法,其涉及将组合物以有效阻碍烃形成水合物的有效成分 碳氢化合物在不存在反应产物的情况下。 所述组合物包括数均分子量为至少1,000原子质量单位(amu)的至少一种树枝状大分子化合物; 和至少一种具有小于1,000amu的小分子量物质,其选自聚亚烷基亚胺,聚烯丙胺,淀粉,糖和乙烯醇或烯丙醇的聚合物或共聚物; 和任选的至少一种表面活性剂。