| 发明名称 |
Process for purifying diaryl carbonates |
| 摘要 |
<p>Diaryl carbonates such as diphenyl carbonate is obtained in high yields and purity by melt crystallization from solutions of the crude product. Multi-stage crystallizations and controlled heating of the crystals purify the product. <IMAGE></p> |
| 申请公布号 |
EP0757030(A1) |
申请公布日期 |
1997.02.05 |
| 申请号 |
EP19960305303 |
申请日期 |
1996.07.19 |
| 申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
KISSINGER, GAYLORD MICHAEL |
| 分类号 |
C07C68/08;C07C69/96;(IPC1-7):C07C68/08 |
主分类号 |
C07C68/08 |
| 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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