发明名称 |
Method for forming hafnium carbide and hafnium nitride ceramics and preceramic polymers |
摘要 |
Hafnium containing preceramic polymer is made through the reaction of hafnium halide compound with any of the following compounds: ethylene diamine, dimethyl ethylene diamine, piperazine, allylamine and or polyethylene-imine.
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申请公布号 |
US7572881(B2) |
申请公布日期 |
2009.08.11 |
申请号 |
US20070698222 |
申请日期 |
2007.01.25 |
申请人 |
POPE EDWARD J A;HEPP JOZSEF;KRATSCH KENNETH M |
发明人 |
POPE EDWARD J. A.;HEPP JOZSEF;KRATSCH KENNETH M. |
分类号 |
C08G79/00;C07F7/00;C07F7/28;C08G77/60 |
主分类号 |
C08G79/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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