| 发明名称 |
Process for the preparation of aliphatic isocyanates |
| 摘要 |
Symmetric ureas are converted to aliphatic isocyanates in high yields by reacting said ureas with phosgene at temperatures of at least 150 DEG C. and in a solvent having a boiling temperature greater than 150 DEG C. |
| 申请公布号 |
US4151193(A) |
申请公布日期 |
1979.04.24 |
| 申请号 |
US19770859930 |
申请日期 |
1977.12.12 |
| 申请人 |
PHILAGRO S A |
发明人 |
CROCHEMORE, MICHEL |
| 分类号 |
C07C241/00;C07C67/00;C07C263/06;C07C263/10;C07C265/00;C07C265/04;(IPC1-7):07C118/00 |
主分类号 |
C07C241/00 |
| 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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