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:
Dec. 07, 2010
Filed:
Apr. 04, 2008
Ramin Abhari, Bixby, OK (US);
Lynn Tomlinson, Tulsa, OK (US);
Peter Havlik, Tulsa, OK (US);
Nathan Jannasch, Broken Arrow, OK (US);
Ramin Abhari, Bixby, OK (US);
Lynn Tomlinson, Tulsa, OK (US);
Peter Havlik, Tulsa, OK (US);
Nathan Jannasch, Broken Arrow, OK (US);
Syntroleum Corporation, Tulsa, OK (US);
Abstract
The present invention generally relates to a method for producing an isoparaffinic product useful as jet fuel from a renewable feedstock. The method may also include co-producing a jet fuel and a liquefied petroleum gas (LPG) fraction from a renewable feedstock. The method includes hydrotreating the renewable feedstock to produce a hydrotreating unit heavy fraction that includes n-paraffins and hydroisomerizing the hydrotreating unit heavy fraction to produce a hydroizomerizing unit heavy fraction that includes isoparaffins. The method also includes recycling the hydroisomerizing unit heavy fraction through the hydroisomerization unit to produce an isoparaffinic product that may be fractionated into a jet fuel and an LPG fraction. The present invention also relates to a jet fuel produced from a renewable feedstock having improved cold flow properties.