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:
Jul. 01, 2014
Filed:
Mar. 23, 2011
Applicants:
Hiroyuki Hirota, Hyogo, JP;
Hiromi Yunoki, Hyogo, JP;
Kenichi Ochiai, Hyogo, JP;
Inventors:
Assignee:
Nippon Shokubai Co., Ltd., , JP;
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/58 (2006.01); B01J 23/48 (2006.01); C07D 301/10 (2006.01); C07D 301/03 (2006.01);
U.S. Cl.
CPC ...
Abstract
A catalyst for the production of ethylene oxide in high efficiency and high selectivity, as well as stably for a long period of time is provided. A catalyst for the production of ethylene oxide comprising silver and a reaction promoter supported on a porous carrier comprising α-alumina as a main component, characterized in that a relative standard deviation of silver supporting rate of each particle of the catalyst is 0.001 or more and 0.1 or less.