公开(公告)号：CS479083A2

公开(公告)日：1985-06-13

申请号：CS479083

申请日：1983-06-28

Applicant: HOECHST AG

Inventor： REBSDAT SIEGRIED DR ,  MAYER SIGMUND ING ,  ALFRANSEDER JOSEF

IPC: B01J23/58 ,  B01J23/66 ,  B01J37/02 ,  C07D301/10 ,  C07D303/04

Abstract: Silver catalysts, useful for the oxidation of ethylene to ethylene oxide, contain 3-20 percent by weight of silver and 0.003-0.05 percent by weight of potassium, rubidium, cesium, or a mixture thereof as a promoter present on a heat-resistant porous support to which they have been applied by several impregnating steps.

公开(公告)号：CS8304790A2

公开(公告)日：1985-06-13

申请号：CS479083

申请日：1983-06-28

Applicant: HOECHST AG

Inventor： REBSDAT SIEGRIED DR ,  MAYER SIGMUND ING ,  ALFRANSEDER JOSEF

IPC: B01J23/58 ,  B01J23/66 ,  B01J37/02 ,  C07D301/10 ,  C07D303/04

CPC classification number: C07D301/10 ,  B01J23/66 ,  B01J37/0205 ,  Y02P20/52