发明授权
- 专利标题： Stable precursor of polyimide and a process for preparing the same
- 专利标题（中）： 聚酰亚胺的稳定前体及其制备方法
-
申请号： US1135申请日： 1997-12-30
-
公开(公告)号： US5952448A公开(公告)日： 1999-09-14
- 发明人: Myung-Hun Lee , Seo-Bong Lee , Chang-Jin Lee , Eun-Kyoung Kim , Mi-Seon Ryoo
- 申请人： Myung-Hun Lee , Seo-Bong Lee , Chang-Jin Lee , Eun-Kyoung Kim , Mi-Seon Ryoo
- 申请人地址： KRX Taejeon
- 专利权人： Korea Research Institute of Chemical Technology
- 当前专利权人： Korea Research Institute of Chemical Technology
- 当前专利权人地址： KRX Taejeon
- 优先权： KRX96-80009 19961231; KRX97-65450 19971203
- 主分类号： C08G73/10
- IPC分类号： C08G73/10 ; C08G69/26
摘要：
This invention relates to a poly (imide amic ester) random copolymer, a precursor thereof, and a process for preparing the same. Specifically this invention relates to a novel precursor of polyimide, poly(imide amic ester) which is chemically stable and has excellent workability in either liquid or solid state, a polyimide obtained therefrom and a process for preparing the same.
公开/授权文献
- US4751071A Composition comprising salbutamol 公开/授权日：1988-06-14
信息查询
