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:
Jul. 30, 2019
Filed:
Dec. 03, 2015
The Lubrizol Corporation, Wickliffe, OH (US);
Kamalakumari Kunchithapatham Salem, Mentor, OH (US);
David J. Moreton, Milford, GB;
Mohamed G. Fahmy, Eastlake, OH (US);
Gary M. Walker, Allestree, GB;
James P. Roski, Mentor, OH (US);
Yanshi Zhang, Solon, OH (US);
Adam Cox, Novelty, OH (US);
W. Preston Barnes, Chicago, IL (US);
Ewan E. Delbridge, Concord Township, OH (US);
The Lubrizol Corporation, Wickliffe, OH (US);
Abstract
The disclosed technology provides a lubricating composition comprising an oil of lubricating viscosity and 0.01 wt % to 10 wt % of an oxyalkylated aromatic polyol compound, wherein the aromatic compound has at least one alkoxy group represented by —ORgroup, Ris hydroxyalkyl, or a (poly)ether group, and either: at least one hydroxyl group, or at least one alkoxy group represented by —ORgroup, where Ris alkyl, or a (poly)ether group, or at least one oxyalkyl group represented by —OR, where Ris hydroxyalkyl or a (poly)ether group. The disclosed technology further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The disclosed technology further relates to the use of the oxyalkylated aromatic polyol compound in the lubricating composition to a passenger car internal combustion engine at least one of (i) control of fuel economy, (ii) control of corrosion, (iii) cleanliness, and (iv) control of bore wear.