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. 10, 2012
Filed:
Jan. 22, 2008
Applicants:
Dominicus Maria Rekers, Amsterdam, NL;
Abraham Adriaan Smaardijk, Amsterdam, NL;
Inventors:
Dominicus Maria Rekers, Amsterdam, NL;
Abraham Adriaan Smaardijk, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 301/03 (2006.01); C07C 43/00 (2006.01); C07C 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a process for the production of ethylene oxide and, optionally, ethylene glycol. A base is added at various positions downstream of the quench section of an ethylene oxide absorber. This mitigates corrosion in the ethylene oxide and ethylene glycol plant.