发明名称 |
PROCESS FOR PRODUCING ISOCYANATES |
摘要 |
An object of the present invention is to provide a process allowing long-term, stable production of isocyanates at a high yield without the various problems found in the prior art during production of isocyanates without using phosgene. The present invention discloses a process for producing an isocyanate by subjecting a carbamic acid ester to a decomposition reaction in the presence of a compound having an active proton and a carbonic acid derivative.
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申请公布号 |
CA2675114(C) |
申请公布日期 |
2012.08.28 |
申请号 |
CA20082675114 |
申请日期 |
2008.01.10 |
申请人 |
ASAHI KASEI CHEMICALS CORPORATION |
发明人 |
SHINOHATA, MASAAKI;MIYAKE, NOBUHISA |
分类号 |
C07C263/04;C07C265/14 |
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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