发明名称 |
PRODUCTION OF ISOCYANATES FROM ESTERS OF AROMATIC CARBAMIC ACIDS (URETHANES) |
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 |
GB2113673(B) |
申请公布日期 |
1986.08.06 |
申请号 |
GB19820004374 |
申请日期 |
1982.02.15 |
申请人 |
* EXXON RESEARCH AND ENGINEERING COMPANY |
发明人 |
RALPH JOSEPH * SPOHN |
分类号 |
C07C265/00;B01J21/06;B01J23/14;B01J23/18;B01J31/04;B01J31/12;C07C;C07C67/00;C07C241/00;C07C263/04;(IPC1-7):C07C118/00 |
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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