发明名称 Process for the preparation of ethylene glycol
摘要 Process for the preparation of ethylene glycol by hydrogenating glycolic acid in the presence of catalysts containing elements or compounds of elements from at least two of the groups VIII, VIIb and Ib of the Periodic System.
申请公布号 US4214106(A) 申请公布日期 1980.07.22
申请号 US19780893823 申请日期 1978.04.05
申请人 HOECHST AG 发明人 FREUDENBERG, DIETER;WUNDER, FRIEDRICH
分类号 C07C31/20;B01J23/48;B01J23/656;B01J23/68;C07C29/149;(IPC1-7):C07C31/20 主分类号 C07C31/20
代理机构 代理人
主权项
地址