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:
Nov. 11, 2014
Filed:
Nov. 21, 2011
Serguei Pak, Teaneck, NJ (US);
Andrzej Rokicki, Mountain Lakes, NJ (US);
Shuji Kawabata, Nagoya, JP;
Takayuki Ohashi, Nagoya, JP;
Serguei Pak, Teaneck, NJ (US);
Andrzej Rokicki, Mountain Lakes, NJ (US);
Shuji Kawabata, Nagoya, JP;
Takayuki Ohashi, Nagoya, JP;
Scientific Design Company, Inc., Little Ferry, NJ (US);
Noritake Co., Limited, Nagoya-Shi, Aichi, JP;
Abstract
An improved carrier for an ethylene epoxidation catalyst is provided. The carrier includes an alumina component containing a first portion of alumina particles having a mean primary particle size of, or greater than, 2 μm and up to 6 μm, and a second portion of alumina particles having a particle size less than 2 μm. An improved catalyst containing the above-described carrier, as well as an improved process for the epoxidation of ethylene using the catalyst are also provided.