发明授权
US07211689B2 Method for production of isocyanates 失效
异氰酸酯的生产方法

Method for production of isocyanates
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
信息查询
0/0