发明授权
- 专利标题: Multistage continuous preparation of cycloaliphatic diisocyanates
- 专利标题(中): 多级连续制备脂环族二异氰酸酯
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申请号: US10921934申请日: 2004-08-20
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公开(公告)号: US07329776B2公开(公告)日: 2008-02-12
- 发明人: Stephan Kohlstruk , Manfred Kreczinski , Rainer Elm , Hans-Werner Michalczak
- 申请人: Stephan Kohlstruk , Manfred Kreczinski , Rainer Elm , Hans-Werner Michalczak
- 申请人地址: DE Düsseldorf
- 专利权人: Degussa AG
- 当前专利权人: Degussa AG
- 当前专利权人地址: DE Düsseldorf
- 代理机构: Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
- 优先权: DE10338511 20030822
- 主分类号: C07C263/00
- IPC分类号: C07C263/00
摘要:
A multistage process for continuous and phosgene-free preparation of cycloaliphatic diisocyanates.
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