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公开(公告)号：MX162490A
公开(公告)日：1991-05-13
申请号：MX19787683
申请日：1983-06-30
Applicant: HOECHST AG
Inventor： REBSDAT SIEGFRIED , MAXER SIGMUND , 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.
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