| 发明名称 |
PROCESSES FOR PRODUCING POLYTRIMETHYLENE ETHER GLYCOL |
| 摘要 |
<p>Processes for producing polytrimethylene ether glycol and copolymers thereof are provided wherein, by condensing and recycling at least a portion of the vapor phase produced as the reaction progresses, the yield loss and polymer color are reduced.</p> |
| 申请公布号 |
EP2516505(B1) |
申请公布日期 |
2014.09.17 |
| 申请号 |
EP20100842645 |
申请日期 |
2010.12.17 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
HOFFMANN, CHRISTIAN;JACKSON, SCOTT, CHRISTOPHER;MURPHY, EDWARD, R.;RAJAGOPALAN, BHUMA |
| 分类号 |
C08G65/34;C07C41/09;C07C41/34;C07C43/11;C08G65/46 |
主分类号 |
C08G65/34 |
| 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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