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:
Oct. 29, 2013
Filed:
Feb. 24, 2010
Applicants:
Matthew D. Gieselman, Wickliffe, OH (US);
John K. Pudeiski, Beijing, CN;
Mary Galic Raguz, Mentor, OH (US);
Thomas Derevjanik, Mentor-on-the-Lake, OH (US);
Inventors:
Matthew D. Gieselman, Wickliffe, OH (US);
John K. Pudeiski, Beijing, CN;
Mary Galic Raguz, Mentor, OH (US);
Thomas Derevjanik, Mentor-on-the-Lake, OH (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10M 159/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides an oil of lubricating viscosity, a dispersant and an amine-functionalised additive, wherein the amine-functionalised additive is derived from an amine having at least 3 or 4 aromatic groups. The invention further relates to the use of the lubricating composition in an internal combustion engine.