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:
May. 18, 2004
Filed:
Sep. 29, 2000
Bruce Randall Cook, Stewartsville, NJ (US);
Robert Charles Welch, Baton Rouge, LA (US);
Richard Harry Ernst, Glen Gardner, NJ (US);
William Edward Winter, Jr., Baton Rouge, LA (US);
Richard Alan Demmin, Highland Park, NJ (US);
Charles Alfred Euker, Jr., Baton Rouge, LA (US);
ExxonMobil Research and Engineering Company, Annandale, NJ (US);
Abstract
A process for reducing the amount of mercaptan sulfur in a petroleum stream without significantly changing its octane value. The process comprising a three-phase system wherein the petroleum stream to be treated is passed through a fixed bed of catalyst in the presence of a stripping gas. The stripping gas can be either hydrogen containing gas or an method wherein the composition of the catalyst utilized varies according to the stripping gas.