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:
Jul. 22, 2008
Filed:
Feb. 09, 2004
David L. Spivey, Staffordshire, GB;
Robert H. Barbour, Derbyshire, GB;
William B. Chamberlin, Iii, Kirtland, OH (US);
John K. Pudelski, Cleveland Heights, OH (US);
David L. Spivey, Staffordshire, GB;
Robert H. Barbour, Derbyshire, GB;
William B. Chamberlin, III, Kirtland, OH (US);
John K. Pudelski, Cleveland Heights, OH (US);
The Lubrizol Corporation, Wickliffe, OH (US);
Abstract
A fuel composition contains (a) a medium substantially free of to free of sulphur; (b) a detergent/dispersant additive; and (c) a liquid fuel where the medium substantially free of to free of sulphur is an aliphatic hydrocarbon solvent, and where the aliphatic hydrocarbon solvent is present from at least about 50 wt % to about 100 wt % of the total amount of the medium. The fuel composition is prepared by a process and is useful in a process, where the fuel composition includes a medium that is a hydrocarbon or a nonhydrocarbon or a mixture thereof, to increase the efficiency of an exhaust after-treatment device of an internal combustion engine.