发明申请
US20090292098A1 METHOD FOR PRODUCING COLOURLESS POLYISOCYANATES THAT CONTAIN BIURET GROUPS AND ARE STABLE IN STORAGE
审中-公开
生产含有微生物群落且在储存中稳定的无色聚异氰酸酯的方法
- 专利标题: METHOD FOR PRODUCING COLOURLESS POLYISOCYANATES THAT CONTAIN BIURET GROUPS AND ARE STABLE IN STORAGE
- 专利标题(中): 生产含有微生物群落且在储存中稳定的无色聚异氰酸酯的方法
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申请号: US11721506申请日: 2005-12-10
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公开(公告)号: US20090292098A1公开(公告)日: 2009-11-26
- 发明人: Eva Wagner , Oliver Bey , Andreas Woelfert , Joachim Jaehme , Bernd Bruchmann , Alexander Bayer
- 申请人: Eva Wagner , Oliver Bey , Andreas Woelfert , Joachim Jaehme , Bernd Bruchmann , Alexander Bayer
- 申请人地址: DE Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DE Ludwigshafen
- 优先权: DE102004060120.8 20041213; DE102004060121.6 20041213; DE102004060122.4 20041213; DE102004060123.2 20041213; DE102004060131.3 20041213; DE102004060739.7 20041215
- 国际申请: PCT/EP05/13276 WO 20051210
- 主分类号: C08G18/16
- IPC分类号: C08G18/16 ; B01F11/00
摘要:
The present invention relates to a process for the preparation of colorless, storage-stable polyisocyanates containing biuret groups from di- or polyisocyanates using water and/or steam as a biuretizing agent, and an apparatus for this purpose and the use thereof.
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