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. 03, 2013
Filed:
Apr. 20, 2004
Diane M. Artman, Westlake, OH (US);
William D. Abraham, Concord Township, Lake County, OH (US);
Virginia A. Carrick, Chardon, OH (US);
Jonathan S. Vilardo, Willoughby, OH (US);
Diane M. Artman, Westlake, OH (US);
William D. Abraham, Concord Township, Lake County, OH (US);
Virginia A. Carrick, Chardon, OH (US);
Jonathan S. Vilardo, Willoughby, OH (US);
The Lubrizol Corporation, Wickliffe, OH (US);
Abstract
A low-sulfur, low-phosphorus composition comprising an oil of lubricating viscosity; a substantially nitrogen-free sufurized olefin antiwear agent; a nitrogen-containing dispersant; and an overbased detergent selected from the group consisting of salixarates, saligenins, salicylates, and glyoxylates; containing less than about 0.1 percent by weight phosphorus, less than about 0.5 percent by weight sulfur, and having less than about 1.2% sulfated ash, is useful for lubricating a diesel engine, exhibiting good antiwear performance.