专利名称：Polyimides and processes for preparing the
same
发明人：Ichiro Kaneko,Atushi Sugitani,Masahiro
Yuyama,Kiyoshi Motomi
申请号：US08/262318申请日：19940617公开号：US05494991A公开日：19960227
摘要：Polyimides comprising recurring units of the following general formula (1)##STR1## wherein Ar.sub.1 represents a tetravalent aromatic group and each Ar.sub.2represents a divalent aromatic group. Polyimide copolymers and preparations of thepolyimides and the polyimide copolymers are also described.
申请人：SHIN-ETSU CHEMICAL CO., LTD.
代理机构：Birch, Stewart, Kolasch & Birch
更多信息请下载全文后查看
因篇幅问题不能全部显示，请点此查看更多更全内容
Copyright © 2019- igat.cn 版权所有 赣ICP备2024042791号-1
违法及侵权请联系：TEL:199 1889 7713 E-MAIL:2724546146@qq.com
本站由北京市万商天勤律师事务所王兴未律师提供法律服务