Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1987-04-01
1990-04-10
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D30110
Patent
active
049162438
ABSTRACT:
This invention relates to a supported silver catalyst for the manufacture of ethylene oxide which contains a combination of (a) cesium and (b) at least one other alkali metal selected from the group consisting of lithium, sodium, potassium and rubidium, which combination comprises (a) and (b) in amounts in relation to the amount of silver therein sufficient to increase the efficiency of ethylene oxide manufacture to a value greater than the efficiencies obtainable under common conditions from respective catalysts which are the same as said catalyst except that instead of containing both (a) and (b), one contains the respective amount of (a), and the other contains the respective amount of (b). There is also described herein a process of making such catalyst and a process for producing ethylene oxide with such catalyst.
REFERENCES:
patent: 3962136 (1976-06-01), Nielsen et al.
patent: 4168247 (1979-09-01), Hayden et al.
patent: 4207210 (1980-06-01), Kilty
patent: 4212772 (1980-07-01), Mron et al.
patent: 4248740 (1981-02-01), Mitsuhata et al.
Bhasin Madan M.
Ellgen Paul C.
Hendrix Charles D.
Raymond Richard L.
Reinisch Morris N.
Russell Mark W.
Union Carbide Chemicals and Plastics Company Inc.
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