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发明名称
YTTRIUM AND RARE EARTH COMPOUNDS CATALYZED LACTONE POLYMERIZATION.
摘要
申请公布号
EP0493529(B1)
申请公布日期
1995.07.05
申请号
EP19900916131
申请日期
1990.09.05
申请人
E.I. DU PONT DE NEMOURS AND COMPANY
发明人
MCLAIN, STEPHAN, JAMES;DRYSDALE, NEVILLE, EVERTON
分类号
A61K47/48;C07F5/00;C08G63/08;C08G63/82;C08G63/84;C08J5/18;C08J7/04;C08L101/16;(IPC1-7):C08G63/84
主分类号
A61K47/48
代理机构
代理人
主权项
地址
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