| 发明名称 |
Condensation polyimides containing 1,1,1-triaryl-2,2,2-trifluoroethane structures |
| 摘要 |
A condensation polyimide containing a 1,1,1-triaryl-2,2,2-trifluoroethane structure, other related condensation polyimides and process for their preparation, which comprises polymerization of a cyclic dianhydride with a diamine.
|
| 申请公布号 |
US4845167(A) |
申请公布日期 |
1989.07.04 |
| 申请号 |
US19860924470 |
申请日期 |
1986.10.29 |
| 申请人 |
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF THE NATIONAL AERONAUTICS AND SPACE ADMINISTRATION |
发明人 |
ALSTON, WILLIAM B.;GRATZ, ROY F. |
| 分类号 |
C08G73/10 |
主分类号 |
C08G73/10 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
