| 发明名称 |
PRODUCTION OF ISOCYANATES FROM ESTERS OF AROMATIC CARBAMIC ACIDS (URETHANES) |
| 摘要 |
<p>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.</p> |
| 申请公布号 |
CA1176647(A) |
申请公布日期 |
1984.10.23 |
| 申请号 |
CA19820395987 |
申请日期 |
1982.02.10 |
| 申请人 |
EXXON RESEARCH AND ENGINEERING COMPANY |
发明人 |
SPOHN, RALPH J. |
| 分类号 |
C07C265/00;B01J21/06;B01J23/14;B01J23/18;B01J31/04;B01J31/12;C07C;C07C67/00;C07C241/00;C07C263/04;(IPC1-7):C07C119/048 |
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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