| 发明名称 |
Preparation of organic isocyanates |
| 摘要 |
A process for the manufacture of organic isocyanates which comprises reacting a substituted urea having at least one unsubstituted NH2 group with nitrous acid in the presence of a water-immiscible solvent and a phase transfer agent. |
| 申请公布号 |
US4153624(A) |
申请公布日期 |
1979.05.08 |
| 申请号 |
US19780873953 |
申请日期 |
1978.01.31 |
| 申请人 |
IMPERIAL CHEMICAL INDUSTRIES LIMITED |
发明人 |
FERN, WILLIAM A.;RODRIGUEZ, PHILIP A. B. |
| 分类号 |
C07C265/00;C07C;C07C67/00;C07C241/00;C07C263/06;C07C263/14;C07C265/04;(IPC1-7):07C118/00 |
主分类号 |
C07C265/00 |
| 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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