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:
Aug. 05, 2008
Filed:
Oct. 15, 2002
Melody A. Wilk, Timberlake, OH (US);
Brent R. Dohner, Concord, OH (US);
Frank V. Zalar, Novelty, OH (US);
Jack C. Kelley, Chagrin Falls, OH (US);
Melody A. Wilk, Timberlake, OH (US);
Brent R. Dohner, Concord, OH (US);
Frank V. Zalar, Novelty, OH (US);
Jack C. Kelley, Chagrin Falls, OH (US);
The Lubrizol Corporation, Wickliffe, OH (US);
Abstract
A composition for lubricating an internal combustion engine includes an oil of lubricating viscosity; a predominantly linear alkylbenzenesulfonate detergent having a metal ratio of at least 8; and a combination of hindered phenolic ester antioxidant and aromatic amine antioxidant. The amount of any phenate detergent is less than 15% by weight of the total amount of detergents.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile