| 发明名称 |
Production of isocyanates from esters of aromatic carbamic acids (urethanes) |
| 摘要 |
A process for converting aromatic carbamates to their corresponding isocyanates by thermolysis at a pressure of at least atmospheric in the presence of a catalyst selected from Ti, Sn, Sb, and Zr is disclosed. |
| 申请公布号 |
US4487713(A) |
申请公布日期 |
1984.12.11 |
| 申请号 |
US19820343584 |
申请日期 |
1982.01.28 |
| 申请人 |
EXXON RESEARCH & ENGINEERING CO. |
发明人 |
SPOHN, RALPH J. |
| 分类号 |
C07C263/04;(IPC1-7):C07C118/00 |
主分类号 |
C07C263/04 |
| 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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