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发明名称
Aromatic dianhydrides
摘要
Novel aromatic dianhydride compounds are described of the formula <IMAGE> wherein Ar, R' and R'' are named substituents, and both x's are either zeros or ones.
申请公布号
US4263209(A)
申请公布日期
1981.04.21
申请号
US19800114004
申请日期
1980.01.21
申请人
THE DOW CHEMICAL COMPANY
发明人
WOO, EDMUND P.
分类号
C07C57/34;C07C59/64;C07D309/32;(IPC1-7):C07D309/32;C07D307/60
主分类号
C07C57/34
代理机构
代理人
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地址
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