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:
Sep. 12, 2006
Filed:
Sep. 24, 2004
Petrus Johannes Geradus Boons, Fort Sasketchewan, CA;
Eugene Marie Godfried Andre Van Kruchten, Amsterdam, NL;
Dominicus Maria Rekers, Amsterdam, NL;
Mathias Jozef Paul Slapak, Moerdijk, NL;
Petrus Johannes Geradus Boons, Fort Sasketchewan, CA;
Eugene Marie Godfried Andre Van Kruchten, Amsterdam, NL;
Dominicus Maria Rekers, Amsterdam, NL;
Mathias Jozef Paul Slapak, Moerdijk, NL;
Shell Oil Company, Houston, TX (US);
Abstract
A process of preparing an alkylene glycol which process involves: i) reacting a respective alkylene oxide and water in a first reactor, ii) removing from the first reactor a reactor output mixture comprising an alkylene glycol and unreacted water, iii) transferring a proportion of the reactor output mixture to a distillation unit and a proportion of the reaction output mixture to a second reactor containing a catalyst, iv) reacting the reaction output mixture in the second reactor with a further amount of the respective alkylene oxide, and v) transferring a reactor output mixture from the second reactor to a distillation unit.