| 发明名称 |
PROCESS FOR MAKING MALEIC ANHYDRIDE POLYMERS WHICH INCLUDE MALEAMIC ACID AND/OR ITS CYCLIC IMIDE REPEAT UNITS |
| 摘要 |
A process for making derivatized polymers of maleic anhydride containing maleamic acid and its corresponding cyclic imide repeat units, in alcohol solution, at a temperature of about 60-160 DEG C, during a reaction period of about 1-25 hours. The product is a polymer having a predetermined ratio of the above repeat units.
|
| 申请公布号 |
WO9849143(A1) |
申请公布日期 |
1998.11.05 |
| 申请号 |
WO1998US04240 |
申请日期 |
1998.03.04 |
| 申请人 |
ISP INVESTMENTS INC. |
发明人 |
ULMER, HERBERT, W.;KATIRGIS, JOHN, A. |
| 分类号 |
C07D207/416;C07D207/40;C08F8/14;C08F8/32;(IPC1-7):C07D207/40;C07C53/00;C07C59/245 |
主分类号 |
C07D207/416 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
