Invention Grant
US09126904B2 Process for preparing isocyanates by phosgenation of amines in the liquid phase
有权
通过在液相中胺的光气化制备异氰酸酯的方法
- Patent Title: Process for preparing isocyanates by phosgenation of amines in the liquid phase
- Patent Title (中): 通过在液相中胺的光气化制备异氰酸酯的方法
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Application No.: US14058765Application Date: 2013-10-21
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Publication No.: US09126904B2Publication Date: 2015-09-08
- Inventor: Torsten Mattke , Markus Hiller , Hans-Juergen Pallasch
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Main IPC: C07C263/10
- IPC: C07C263/10
Abstract:
The present invention relates to a process for preparing isocyanates by reacting amines with phosgene in the liquid phase, where phosgene, hydrogen chloride and isocyanates are separated with stripping columns operated at different pressures.
Public/Granted literature
- US20140114087A1 PROCESS FOR PREPARING ISOCYANATES BY PHOSGENATION OF AMINES IN THE LIQUID PHASE Public/Granted day:2014-04-24
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