Invention Grant
- Patent Title: Process for producing low-monomer-content organic polyisocyanates
- Patent Title (中): 生产低单体含量有机多异氰酸酯的方法
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Application No.: US12316606Application Date: 2008-12-15
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Publication No.: US08293937B2Publication Date: 2012-10-23
- Inventor: Martin Brahm , Frank Richter , Thomas Voigt , Reinhard Halpaap
- Applicant: Martin Brahm , Frank Richter , Thomas Voigt , Reinhard Halpaap
- Applicant Address: DE Leverkusen
- Assignee: Bayer MaterialScience AG.
- Current Assignee: Bayer MaterialScience AG.
- Current Assignee Address: DE Leverkusen
- Agent Robert S. Klemz
- Priority: DE102007060791 20071218
- Main IPC: C07C263/00
- IPC: C07C263/00
Abstract:
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.
Public/Granted literature
- US20090156778A1 Process for producing low-monomer-content organic polyisocyanates Public/Granted day:2009-06-18
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