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. 03, 2007
Filed:
Jun. 24, 2003
Raymond Edward Paggi, Sugar Land, TX (US);
Joseph Michael Russo, Katy, TX (US);
Kay Colapret, Lakeway, TX (US);
James Robert Macias, Houston, TX (US);
Krishna Rangraj Kaushik, Houston, TX (US);
Raymond Edward Paggi, Sugar Land, TX (US);
Joseph Michael Russo, Katy, TX (US);
Kay Colapret, Lakeway, TX (US);
James Robert Macias, Houston, TX (US);
Krishna Rangraj Kaushik, Houston, TX (US);
Shell Oil Company, Houston, TX (US);
Abstract
A lubricating oil composition useful for a diesel-powered engine is provided that reduces NOx emissions level produced from a diesel-powered engine. The lubricating oil comprises a base oil and at least one oil-dispersible source of HNCO such as isocyanates. A method of operating the diesel powered engine using the lubricating oil is also provided.