发明授权
- 专利标题: Method for production of isocyanates
- 专利标题(中): 异氰酸酯的生产方法
-
申请号: US10493498申请日: 2002-10-17
-
公开(公告)号: US07211689B2公开(公告)日: 2007-05-01
- 发明人: Thorsten Rohde , Armin Stamm , Jochem Henkelmann
- 申请人: Thorsten Rohde , Armin Stamm , Jochem Henkelmann
- 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
- 代理机构: Novak Druce & Quigg LLP
- 优先权: DE10152118 20011023
- 国际申请: PCT/EP02/11624 WO 20021017
- 国际公布: WO03/042170 WO 20030522
- 主分类号: C07C263/10
- IPC分类号: C07C263/10 ; C07C263/00
摘要:
In a process for preparing isocyanates by reacting the corresponding primary amines with phosgene in an inert solvent, use is made of from 0.01 to 50 mol % of a sulfonamide, based on the total amount of primary amine and isocyanate formed in the reaction solution.
公开/授权文献
- US20040267047A1 Method for production of isocyanates 公开/授权日:2004-12-30
信息查询