Patent · US Expired

Oil composition for lubricating an EGR equipped diesel engine and an EGR equipped diesel engine comprising same

US7560420B2 · kind B2 · utility

7Cited by

4References

9Claims

0Family size

Assignee

RohMax Additives GmbH · DE

Inventors

Bernard Kinker · Kintnersville, US
Matthias Fischer · Scheinfeld, DE
Martin Bollinger · North Wales, US
Robert Cybert · Roosevelt, US
Ernst Bielmeier · Griesheim, DE
David J. Cooper · Sunnyvale, US
Angelika Fischer · Dreieich, DE
Melanie Croessmann · Ober-Ramstadt, DE

Key dates

Filing date	Dec 23, 2004
Grant date	Jul 14, 2009
Priority date	—
Expiry date	Nov 15, 2025

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10N2040/252
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention is directed to a lubricating oil composition, a diesel engine comprising a lubricating oil composition, and a method of lubricating a diesel engine provided with an exhaust gas recirculation system, comprising lubricating said engine with a lubricating oil composition comprising an oil of lubricating viscosity, and a polymeric N-dispersant booster.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.