Modified ethylene oxide catalyst
CA 1093542 A · Owner: Texaco Development Corporation · Inventors: Cavitt, Stanley B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
D#75,321-1, AL-2993-1, LGM/??, 6/???6, MODIFIED ETHYLENE OXIDE CATALYST (D#75,312-1-F), ABSTRACT OF THE DISCLOSURE A novel cesium modified, activated silver catalyst useful in the vapor phase epoxidation of ethylene with a molecular oxygen containing epoxidizing agent is disclosed. The improved catalyst comprises an inorganic, porous support containing metallic silver and an effective amount of a cesium promoter which have been deposited coincidentally on the support. The catalyst is prepared by impregnating a porous inorganic substrate with a solution comprising solvent a, silver carboxylate solubilized in an amine containing complexing agent selected from, (a) diamines wherein at least …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted January 13, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 13, 1998.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.