发明名称 |
Process for the preparation of isocyanates from carbamates |
摘要 |
Process for the conversion of aromatic carbamates into their corresponding isocyanates by thermolysis at a pressure of at least atmospheric pressure in the presence of a catalyst in the form of Ti, Sn, Sb or Zr is described. |
申请公布号 |
DE3204973(A1) |
申请公布日期 |
1983.08.25 |
申请号 |
DE19823204973 |
申请日期 |
1982.02.12 |
申请人 |
EXXON RESEARCH AND ENGINEERING CO. |
发明人 |
J. SPOHN,RALPH |
分类号 |
C07C263/04;C07C265/12;(IPC1-7):C07C119/04;C07C119/04;C07C118/04 |
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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