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
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