Patent · US Active

Catalyst for the oxidation of ethylene to ethylene oxide

US11400437B2 · kind B2 · utility

0Cited by

10References

19Claims

0Family size

Assignee

BASF SE

Inventors

Andrey Karpov · Metuchen, US
Michael Kraemer · Nidderau, DE
Marco Bosch · Mannheim, DE
Christian Bartosch · Ludwigshafen am Rhein, DE
Juergen Zuehlke · Ludwigshafen am Rhein, DE
Carlos Lizandara Pueyo · Ludwigshafen am Rhein, DE
Guido Wasserschaff · Neckargemünd, DE

Key dates

Filing date	Aug 8, 2017
Grant date	Aug 2, 2022
Priority date	—
Expiry date	Apr 7, 2039

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/52
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The present invention is directed to a shaped catalyst body for preparing ethylene oxide, which comprises at least silver, cesium and rhenium applied to an alumina support, wherein the alumina support comprises Si, Ca, and Mg in a defined amount. Furthermore, the present invention is directed to a process for preparing the catalyst according to the present invention and process for preparing ethylene oxide by gas-phase oxidation of ethylene by means of oxygen in the presence of a shaped catalyst body according to the present invention.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.