| 发明名称 |
Method for making aromatic polycarbonates. |
| 摘要 |
<p>A method is provided for making polycarbonate utilizing an effective amount of a phase transfer catalyst, such as tetrabutylammonium bromide as a condensation catalyst during the interfacial phosgenation of a bisphenol, such as bisphenol A. Improved phosgene utilization is achieved.</p> |
| 申请公布号 |
EP0626409(A2) |
申请公布日期 |
1994.11.30 |
| 申请号 |
EP19940303447 |
申请日期 |
1994.05.13 |
| 申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
BODEN, EUGENE PAULING;PHELPS, PETER DAVID |
| 分类号 |
C08G64/22;C08G64/24;(IPC1-7):C08G64/24 |
主分类号 |
C08G64/22 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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