发明名称 Highly purified acetonitrile and process for purifying crude acetonitrile
摘要 A process for purifying crude acetonitrile comprising: (1) a step of contacting crude acetonitrile with nascent oxygen, (2) a step of contacting the acetonitrile from step (1) with a solid base, and (3) a step of removing low-boiling compounds and high-boiling compounds from the acetonitrile from step (2), wherein the step (3) may be effected after the step (1) and before the step (2).
申请公布号 US5629443(A) 申请公布日期 1997.05.13
申请号 US19950371180 申请日期 1995.01.11
申请人 ASAHI KASEI KOGYO KABUSHIKI KAISHA 发明人 NAKAMURA, SHIGEO;KURIHARA, SHIGERU;SAITOH, MINORU;MIDORIKAWA, HIDEO
分类号 C07C253/34;(IPC1-7):C07C253/34 主分类号 C07C253/34
代理机构 代理人
主权项
地址