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公开(公告)号:US5232630A
公开(公告)日:1993-08-03
申请号:US339439
申请日:1989-04-17
申请人: Kornelis L. Pouwer , Ton R. Vries , Egbert W. Meijer , Edsko E. Havinga , Hans Wijnberg
发明人: Kornelis L. Pouwer , Ton R. Vries , Egbert W. Meijer , Edsko E. Havinga , Hans Wijnberg
IPC分类号: C08G16/02 , C08G16/04 , C08G61/10 , C08G61/12
CPC分类号: C08G16/04 , C08G16/0231 , C08G61/123
摘要: The polymers are prepared by using the new intermediate product which forms a polymeric precursor, and which is converted into the desired heterocyclic polymer by ring closure.