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:
May. 22, 2018
Filed:
Jul. 17, 2017
Applicant:
Scientific Design Company, Inc., Little Ferry, NJ (US);
Inventor:
Ashok S. Padia, Glen Rock, NJ (US);
Assignee:
Scientific Design Company, Inc., Little Ferry, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 301/10 (2006.01); C07D 303/06 (2006.01); B01J 23/04 (2006.01); B01J 23/50 (2006.01); C01D 17/00 (2006.01);
U.S. Cl.
CPC ...
C07D 301/10 (2013.01); B01J 23/04 (2013.01); B01J 23/50 (2013.01); C01D 17/003 (2013.01); C07D 303/06 (2013.01);
Abstract
A method for producing ethylene oxide comprising: a) providing one or more feed components, wherein the one or more feed components contains at least ethylene obtained by dehydrating ethanol; b) contacting the one or more feed components with an ethylene oxide catalyst bed disposed in a reactor tube, the ethylene oxide catalyst bed comprising: (1) an upstream ethylene oxide catalyst having a first cesium concentration and (2) a downstream ethylene oxide catalyst having a second cesium concentration, wherein the first cesium concentration is higher than the second cesium concentration.