发明授权
US5567832A Polymeric multinary azanes, methods for their preparation and their use
失效
聚合多元氮杂环丁烷,其制备方法及其应用
- 专利标题: Polymeric multinary azanes, methods for their preparation and their use
- 专利标题(中): 聚合多元氮杂环丁烷,其制备方法及其应用
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申请号: US231787申请日: 1994-04-25
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公开(公告)号: US5567832A公开(公告)日: 1996-10-22
- 发明人: Nils Perchenek , Hans-Peter Baldus , Josua L offelholz , Martin Jansen
- 申请人: Nils Perchenek , Hans-Peter Baldus , Josua L offelholz , Martin Jansen
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer AG
- 当前专利权人: Bayer AG
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX4314497.7 19930503
- 主分类号: C04B35/56
- IPC分类号: C04B35/56 ; C04B35/58 ; C04B35/589 ; C07F7/02 ; C08G77/48 ; C08G77/62 ; C08G79/00 ; C08G79/14 ; C07F19/00
摘要:
The present invention relates to polymeric multinary azanes built up from units of the general formula [E(NR.sup.1 R.sup.2).sub.a (NR.sup.3).sub.b/2 ], wherein E may be B,Al,Ga,In,Si,Ge,Ti, Zr, Hf,V,Nb,Ta,Cr,Mo or W and R.sup.1,R.sup.2,R.sup.3 may be H, C.sub.1 -C.sub.6 alkyl, vinyl or phenyl; methods for the preparation of these polymers and their use as precursors for high-performance ceramics.
公开/授权文献
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