The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 20, 2013
Filed:
Jul. 30, 2010
Juliana G. Serafin, Charleston, WV (US);
Seyed R. Seyedmonir, Charleston, WV (US);
Albert C. Liu, Charleston, WV (US);
Hwaili Soo, Charleston, WV (US);
Thomas Szymanski, Hudson, OH (US);
Juliana G. Serafin, Charleston, WV (US);
Seyed R. Seyedmonir, Charleston, WV (US);
Albert C. Liu, Charleston, WV (US);
Hwaili Soo, Charleston, WV (US);
Thomas Szymanski, Hudson, OH (US);
Abstract
A catalyst for the manufacture of alkylene oxide, for example ethylene oxide, by the vapor-phase epoxidation of alkene containing impregnated silver and at least one efficiency-enhancing promoter on an inert, refractory solid support, said support incorporating a sufficient amount of zirconium component (present and remaining substantially as zirconium silicate) as to enhance at least one of catalyst activity, efficiency and stability as compared to a similar catalyst which does not contain the zirconium component.