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:
Feb. 01, 2011
Filed:
Dec. 15, 2006
William Y. Lam, Glen Allen, VA (US);
John T. Loper, Richmond, VA (US);
Carl K. Esche, Jr., Richmond, VA (US);
Christopher J. Dudding, Reading, GB;
Peter Growcott, Hartley Wintney, GB;
Anthony Fagan, Chesterfield, VA (US);
Andrew Robertson, Faringdon, GB;
Gregory H. Guinther, Richmond, VA (US);
William Y. Lam, Glen Allen, VA (US);
John T. Loper, Richmond, VA (US);
Carl K. Esche, Jr., Richmond, VA (US);
Christopher J. Dudding, Reading, GB;
Peter Growcott, Hartley Wintney, GB;
Anthony Fagan, Chesterfield, VA (US);
Andrew Robertson, Faringdon, GB;
Gregory H. Guinther, Richmond, VA (US);
Afton Chemical Corporation, Richmond, VA (US);
Abstract
A fully formulated lubricating oil, lubricated surface, and lubricant additive concentrates for lubricants providing reduced sludge formation. The fully formulated lubricating oil composition has therein at least one succinimide dispersant derived from a polyalkylene compound having from about 50 to about 85% vinylidene double bonds in the compound, a metal containing detergent, at least one wear reducing agent, at least one antioxidant, and a hydrocarbon soluble titanium compound as a friction modifier. The lubricating oil composition is also substantially free of molybdenum compounds.