| 发明名称 |
Method for making polycarbonates. |
| 摘要 |
<p>A method is provided for making aromatic polycarbonates by the melt condensation of a diaryl carbonate and an aromatic bis hydroxy compound in the presence of a condensation catalyst, such as hexahydro-2H-pyrimido[1,2-a]pyrimidine or an alkyl substituted derivative.</p> |
| 申请公布号 |
EP0626410(A2) |
申请公布日期 |
1994.11.30 |
| 申请号 |
EP19940303550 |
申请日期 |
1994.05.18 |
| 申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
KING, JOSEPH ANTHONY, JR. |
| 分类号 |
C08G64/06;C08G64/00;C08G64/20;C08G64/30;(IPC1-7):C08G64/30 |
主分类号 |
C08G64/06 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
