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:
May. 28, 2013
Filed:
Dec. 13, 2007
Masahiko Ikeda, Aichi, JP;
Susie Hurley, Duffield, GB;
William D. Abraham, Concord, OH (US);
James L. Sumiejski, Mentor, OH (US);
Craig D. Tipton, Perry, OH (US);
Masahiko Ikeda, Aichi, JP;
Susie Hurley, Duffield, GB;
William D. Abraham, Concord, OH (US);
James L. Sumiejski, Mentor, OH (US);
Craig D. Tipton, Perry, OH (US);
The Lubrizol Corporation, Wickliffe, OH (US);
Abstract
The disclosed invention relates to a functional fluid comprising: at least one oil of lubricating viscosity; at least one detergent, the detergent contributing an amount of metal to the functional fluid equal to a concentration in the range from about 0.015 to about 1% by weight of the functional fluid, the detergent contributing an amount of basicity to the functional fluid equal to a total base number in the range from about 0.3 to about 2; and at least one friction modifier, the friction modifier comprising at least two hydrocarbyl groups attached to a polar group or atom (eg., a nitrogen atom).