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. 13, 2011
Filed:
Oct. 13, 2010
Ingmar Hubertus Josephina Ploemen, Moerdijk, NL;
Eduardus Petrus Simon Schouten, Amsterdam, NL;
Alexander Jan Van Der Veen, Amsterdam, NL;
Ingmar Hubertus Josephina Ploemen, Moerdijk, NL;
Eduardus Petrus Simon Schouten, Amsterdam, NL;
Alexander Jan Van Der Veen, Amsterdam, NL;
Shell Oil Company, Houston, TX (US);
Abstract
A process for the preparation of alkylene oxide, which process involves mixing fresh feed containing organic hydroperoxide and alkene with a recycle stream to obtain a reaction mixture containing of from 5 to 80% wt of alcohol, based on total amount of reaction mixture, contacting the reaction mixture with a heterogeneous epoxidation catalyst to obtain a stream containing alkylene oxide and alcohol, and recycling of from 30 to 95% wt of the stream obtained in step (ii) to step (i).