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发明名称
CONTINUOUS PROCESS FOR THE PREPARATION OF MALEIC ANHYDRIDE FROM AN AQUEOUS SOLUTION OF MALEIC ACID BY DISTILLATION
摘要
申请公布号
US3642829(A)
申请公布日期
1972.02.15
申请号
USD3642829
申请日期
1970.01.27
申请人
UCB SA.
发明人
ERNEST WEYENS
分类号
C07D307/60;C07C51/31;C07C51/56;(IPC1-7):B01D3/34;C07C57/14
主分类号
C07D307/60
代理机构
代理人
主权项
地址
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