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发明名称
Method of preparing polyaryl selenazoles
摘要
申请公布号
US2339094(A)
申请公布日期
1944.01.11
申请号
US19390301296
申请日期
1939.10.25
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
MIDDLETON EDMUND B.;DAWSON GEORGE A.
分类号
C07D293/12;C09B23/02
主分类号
C07D293/12
代理机构
代理人
主权项
地址
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