| 发明名称 |
PROCESSO PARA PRODUZIR PELO MENOS UM ISOCIANATO AROMATICO PARTIR DE PELO MENOS UM CARBAMATO AROMATICO |
| 摘要 |
Aromatic carbamates are converted to their corresponding isocyanates by liquid phase thermolysis at atmospheric pressure or above in the presence of a catalyst containing Ti, Sn, Sb, or Zr. |
| 申请公布号 |
BR8200861(A) |
申请公布日期 |
1983.10.18 |
| 申请号 |
BR19828200861 |
申请日期 |
1982.02.17 |
| 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;C07C118/04 |
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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