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:
Sep. 11, 2007
Filed:
Jan. 20, 2004
Tan Jen Chen, Kingwood, TX (US);
Brian Erik Henry, Baton Rouge, LA (US);
Paul F Keusenkothen, Houston, TX (US);
Philip A. Ruziska, Kingwood, TX (US);
Tan Jen Chen, Kingwood, TX (US);
Brian Erik Henry, Baton Rouge, LA (US);
Paul F Keusenkothen, Houston, TX (US);
Philip A. Ruziska, Kingwood, TX (US);
ExxonMobil Research and Engineering Company, Annandale, NJ (US);
Abstract
The present invention relates to a process for selectively producing Colefins from a catalytically cracked or thermally cracked naphtha stream by fractionating the naphtha feed to obtain a Cfraction and feeding the Cfraction either in the riser downstream of the injection point for the reminder of the naphtha feed, in the stripper, and/or in the dilute phase immediately downstream or above the stripper of a process unit.