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.

Date of Patent:
Apr. 22, 2014

Filed:

Apr. 01, 2008
Applicants:

Craig D. Tipton, Perry, OH (US);

Claire Hollingshurst, Heanor, GB;

Elisa J. Seddon, Lyndhurst, OH (US);

James P. Roski, Willowick, OH (US);

Christopher Friend, Bobbers Mill, GB;

Willis P. Nichols, Cleveland, OH (US);

Betsy J. Butke, Mentor, OH (US);

James J. Schwind, Chardon, OH (US);

Inventors:

Craig D. Tipton, Perry, OH (US);

Claire Hollingshurst, Heanor, GB;

Elisa J. Seddon, Lyndhurst, OH (US);

James P. Roski, Willowick, OH (US);

Christopher Friend, Bobbers Mill, GB;

Willis P. Nichols, Cleveland, OH (US);

Betsy J. Butke, Mentor, OH (US);

James J. Schwind, Chardon, OH (US);

Assignee:

The Lubrizol Corporation, Wickliffe, OH (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 309/00 (2006.01); C07C 315/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A lubricant composition comprising an oil of lubricating viscosity and an oil-soluble branched-chain hydrocarbyl-substituted arenesulfonic acid salt, wherein the arenesulfonic moiety has at least one hydrocarbyl substituent which is a highly branched group as defined by having a Chi(0)/Shadow XY ratio greater than about 0.180, exhibits good dynamic frictional performance.


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