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:
Mar. 20, 2007
Filed:
Apr. 01, 2003
Peter Ingraham Chipman, Houston, TX (US);
Jeffrey Michael Kobe, Katy, TX (US);
Arjan Jan Te Raa, Dordrecht, NL;
Leonid Isaakovich Rubinstein, Houston, TX (US);
Brian Scott Vanderwilp, Katy, TX (US);
Thijs Wermink, Voorschoten, NL;
Peter Ingraham Chipman, Houston, TX (US);
Jeffrey Michael Kobe, Katy, TX (US);
Arjan Jan Te Raa, Dordrecht, NL;
Leonid Isaakovich Rubinstein, Houston, TX (US);
Brian Scott Vanderwilp, Katy, TX (US);
Thijs Wermink, Voorschoten, NL;
Shell Oil Company, Houston, TX (US);
Abstract
A process for the epoxidation of an olefin, which process comprises reacting a feed comprising the olefin, oxygen and a reaction modifier in the presence of a highly selective silver-based catalyst at a reaction temperature T, and with the reaction modifier being present in a relative quantity Q which is the ratio of an effective molar quantity of active species of the reaction modifier present in the feed to an effective molar quantity of hydrocarbons present in the feed, and which process comprises the steps of: