发明授权
- 专利标题: Process for producing low-monomer-content organic polyisocyanates
- 专利标题(中): 生产低单体含量有机多异氰酸酯的方法
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申请号: US12316606申请日: 2008-12-15
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公开(公告)号: US08293937B2公开(公告)日: 2012-10-23
- 发明人: Martin Brahm , Frank Richter , Thomas Voigt , Reinhard Halpaap
- 申请人: Martin Brahm , Frank Richter , Thomas Voigt , Reinhard Halpaap
- 申请人地址: DE Leverkusen
- 专利权人: Bayer MaterialScience AG.
- 当前专利权人: Bayer MaterialScience AG.
- 当前专利权人地址: DE Leverkusen
- 代理商 Robert S. Klemz
- 优先权: DE102007060791 20071218
- 主分类号: C07C263/00
- IPC分类号: C07C263/00
摘要:
The invention relates to a new industrial process for producing low-monomer-content organic polyisocyanates by oligomerization of organic diisocyanates in a two-phase system.
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