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. 11, 2006
Filed:
Oct. 22, 2002
Robert Robson, Abingdon, GB;
Roger W. Glyde, Bampton, GB;
Alisdair J. Brown, Abingdon, GB;
Simon S. M. Chung, Witney, GB;
Stephen Arrowsmith, Didcot, GB;
Robert Robson, Abingdon, GB;
Roger W. Glyde, Bampton, GB;
Alisdair J. Brown, Abingdon, GB;
Simon S. M. Chung, Witney, GB;
Stephen Arrowsmith, Didcot, GB;
Abstract
A crankcase lubricating oil composition comprises an oil of lubricating viscosity, in a major amount, and, in respective minor amounts, a boron-containing additive and one or more co-additives, wherein the lubricating oil composition has greater than 200 ppm by mass of boron, less than 600 ppm by mass of phosphorus and less than 4000 ppm by mass of sulfur, based on the mass of the oil composition. Such compositions demonstrate provide improved wear performance.