- 专利标题: Multistage continuous preparation of cycloaliphatic diisocyanates
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申请号: US11185776申请日: 2005-07-21
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公开(公告)号: US07371891B2公开(公告)日: 2008-05-13
- 发明人: Stephan Kohlstruk , Manfred Kreczinski , Hans-Werner Michalczak
- 申请人: Stephan Kohlstruk , Manfred Kreczinski , Hans-Werner Michalczak
- 申请人地址: DE Duesscldorf
- 专利权人: Degussa AG
- 当前专利权人: Degussa AG
- 当前专利权人地址: DE Duesscldorf
- 代理机构: Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
- 优先权: DE102004036499 20040728
- 主分类号: C07C249/00
- IPC分类号: C07C249/00 ; C07C251/00 ; C07C257/00 ; C07C263/00 ; C07C265/00 ; C07C267/00 ; C07C291/00
摘要:
The invention relates to a multistage process for continuous and phosgene-free preparation of cycloaliphatic diisocyanates.
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