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专利名称：Purification of adiponitrile
发明人：Colin Moore,Michael Joseph Thornton申请号：US05/463128申请日：19740422公开号：US03950229A公开日：19760413
摘要：Adiponitrile is separated from impurities of boiling point close to that ofadiponitrile, especially 5-cyanovaleric acid and 2- cyanocyclopenten-(1)-ylamine, byreacting the impurities with a primary or secondary amine to give compounds of higherboiling point and then fractionally distilling to separate the adiponitrile.
申请人：IMPERIAL CHEMICAL INDUSTRIES LIMITED
代理机构：Cushman, Darby & Cushman
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