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. 18, 2012
Filed:
Mar. 16, 2011
Applicants:
Jeffrey M. Guevremont, Richmond, VA (US);
Jason A. Lagona, Richmond, VA (US);
Inventors:
Jeffrey M. Guevremont, Richmond, VA (US);
Jason A. Lagona, Richmond, VA (US);
Assignee:
Afton Chemical Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 133/38 (2006.01); C10M 133/44 (2006.01); C10M 133/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
A crankcase lubricant composition, method for improving the soot or sludge handling capability of a crankcase lubricant composition and a method of operating an engine on a crankcase lubricant composition. The lubricant composition includes a base oil and a reaction product of mono-succinimide dispersant and an acidic compound containing two or more pyrrole groups.