Invention Patent
- Patent Title: STRIBRNY KATALYZATOR A ZPUSOB JEHO VYROBY
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Application No.: CS479083Application Date: 1983-06-28
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Publication No.: CS479083A2Publication Date: 1985-06-13
- Inventor: REBSDAT SIEGRIED DR , MAYER SIGMUND ING , ALFRANSEDER JOSEF
- Applicant: HOECHST AG
- Assignee: HOECHST AG
- Current Assignee: HOECHST AG
- Priority: DE3224323 1982-06-30; DE3224322 1982-06-30
- Main IPC: B01J23/58
- 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.
Public/Granted literature
- CS240965B2 SILVER CATALYST AND METHOD OF ITS PRODUCTION Public/Granted day:1986-03-13
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