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. 13, 2007
Filed:
Mar. 21, 2003
Johannes Folkert Postma, Moerdijk, NL;
Alexander Jan Van Der Veen, Amsterdam, NL;
Johannes Folkert Postma, Moerdijk, NL;
Alexander Jan Van Der Veen, Amsterdam, NL;
Shell Oil Company, Houston, TX (US);
Abstract
Process for the preparation of alkylene oxide which process comprises contacting organic hydroperoxide and alkene with a heterogeneous epoxidation catalyst and withdrawing a product stream comprising alkylene oxide and an alcohol as reaction products, in which process fresh catalyst is contacted with feed having a higher molar ratio of alkene to organic hydroperoxide than the molar ratio of normal operation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile