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:
Nov. 27, 2007
Filed:
May. 03, 2002
Johannes Petrus Van Der Linden, Amsterdam, NL;
Ingmar Hubertus Josephina Ploemen, Amsterdam, NL;
Augustinus Santen, Rijswijk, NL;
Alexander Jan Van Der Veen, Amsterdam, NL;
Johannes Petrus Van Der Linden, Amsterdam, NL;
Ingmar Hubertus Josephina Ploemen, Amsterdam, NL;
Augustinus Santen, Rijswijk, 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 passing a feed containing an organic hydroperoxide and alkene through a bank of at least two serially connected reactors containing epoxidation catalyst and withdrawing a product stream having alkylene oxide and an alcohol as reaction products, in which bank of reactors the temperature of the feed is controlled such that during operation the outlet temperature of the final reactor is at least 4° C. higher than the outlet temperature of the first reactor.