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. 28, 2015
Filed:
Dec. 28, 2009
Claire Griffiths, Ince Chester, GB;
Richard Hugh Clark, Ince Chester, GB;
Christopher William Clayton, Ince Chester, GB;
Paul Anthony Stevenson, Ince Chester, GB;
Robert Wilfred Matthews Wardle, Ince Chester, GB;
Claire Griffiths, Ince Chester, GB;
Richard Hugh Clark, Ince Chester, GB;
Christopher William Clayton, Ince Chester, GB;
Paul Anthony Stevenson, Ince Chester, GB;
Robert Wilfred Matthews Wardle, Ince Chester, GB;
Shell Oil Company, Houston, TX (US);
Abstract
Use in a gas oil fuel composition, which preferably comprises a Fischer-Tropsch derived fuel, of a compound according to formula (I): wherein: Rto Rare each independently hydrogen or a Calkyl group, where such alkyl groups may be the same as or different from one another; and X is a nitrogen- or oxygen-containing group, for the purpose of reducing the cetane number of said fuel composition; preparation of such a fuel composition; and operating a fuel consuming system.