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:
Apr. 15, 2008
Filed:
Sep. 09, 2004
Peter W. Jacobs, Baton Rouge, LA (US);
Garland B. Brignac, Clinton, LA (US);
Thomas R. Halbert, Baton Rouge, LA (US);
Madhav Acharya, Beaumont, TX (US);
Theresa A. Lelain, Bel Air, MD (US);
Peter W. Jacobs, Baton Rouge, LA (US);
Garland B. Brignac, Clinton, LA (US);
Thomas R. Halbert, Baton Rouge, LA (US);
Madhav Acharya, Beaumont, TX (US);
Theresa A. Lelain, Bel Air, MD (US);
ExxonMobil Research and Engineering Company, Annandale, NJ (US);
Abstract
A two stage process for selectively hydrodesulfurizing olefinic and sulfur and nitrogen-containing naphtha feedstreams wherein the first stage is a nitrogen removal stage to produce a naphtha feedstream having reduced levels of nitrogen compounds and a second stage wherein the naphtha feedstream having reduced levels of nitrogen compounds is hydrodesulfuried with a catalyst and under conditions selective to remove sulfur with minimum olefin saturation.