| 发明名称 |
ALKYLENE CARBONATE PURIFICATION |
| 摘要 |
An alkylene carbonate such as propylene carbonate is contacted with an alumina or silica solid adsorbent having a surface area of 50-400 m<2>/g such as basic alumina to remove impurities therefrom and improve color and color stability.
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| 申请公布号 |
US2003212280(A1) |
申请公布日期 |
2003.11.13 |
| 申请号 |
US20020141617 |
申请日期 |
2002.05.08 |
| 申请人 |
KAHN ANDREW P |
发明人 |
KAHN ANDREW P |
| 分类号 |
C07D317/38;(IPC1-7):C07D317/08 |
主分类号 |
C07D317/38 |
| 代理机构 |
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