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. 04, 2015
Filed:
Apr. 15, 2014
Applicant:
Scientific Design Company, Inc., Little Ferry, NJ (US);
Inventor:
Mansoor Husain, North Brunswick, NJ (US);
Assignee:
Scientific Design Company, Inc., Little Ferry, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D 301/06 (2006.01);
U.S. Cl.
CPC ...
C07D 301/06 (2013.01);
Abstract
A method for the oxidation of ethylene to form ethylene oxide is provided that includes passing an aqueous stream through a guard bed and one or more ion exchange treatment beds. The guard bed and the aqueous stream contain from about 0.2 to 20 wt % ethylene glycol. The guard bed contains a cross-linked polystyrene resin, partially functionalized with quaternary ammonium functional groups and the resin has a surface area of greater than 400 m/g.