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. 06, 2004
Filed:
Jul. 30, 2002
Applicant:
Inventors:
Andrew J. D. Ritchie, Chatham, NJ (US);
Jai G. Bansal, Westfield, NJ (US);
Jacob Emert, Brooklyn, NY (US);
Glen P. Fetterman, Morris Plaines, NJ (US);
Antonio Gutierrez, Mercerville, NJ (US);
Matthew D. Irving, Fairford, GB;
Christopher J. Locke, Wantage, GB;
Michael T. Minotti, Summit, NJ (US);
Assignee:
Infineum International Ltd., , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 2/507 ; C11D 1/00 ; F01M 1/100 ;
U.S. Cl.
CPC ...
F02M 2/507 ; C11D 1/00 ; F01M 1/100 ;
Abstract
Soot induced kinematic viscosity increase of lubricating oil compositions for heavy duty diesel engines equipped with EGR systems operating in a condensing mode can be ameliorated by selection of viscosity modifier, lubricating oil flow improvers, detergents and dispersants.