发明名称 PROCESS FOR THE PRODUCTION OF METHYL METHACRYLATE
摘要 A process for the manufacture of methyl methacrylate includes a process for separating the methyl methacrylate from certain impurities, at least one of which has a freezing point of greater than -50 DEG C, by a fractional crystallisation process.
申请公布号 WO9902481(A1) 申请公布日期 1999.01.21
申请号 WO1998GB02028 申请日期 1998.07.10
申请人 IMPERIAL CHEMICAL INDUSTRIES PLC;STUART, JOSEPH, YOUNGBLOOD;MARTIN, JOHN, STUART;PARTEN, DAVID, WILLIAM;HARRISON, STEPHEN, PATRICK 发明人 STUART, JOSEPH, YOUNGBLOOD;MARTIN, JOHN, STUART;PARTEN, DAVID, WILLIAM;HARRISON, STEPHEN, PATRICK
分类号 C07C67/343;C07C;C07C51/353;C07C57/04;C07C67/48;C07C67/52;C07C69/54;C08F;C08F20/14;(IPC1-7):C07C67/343 主分类号 C07C67/343
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