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:
Mar. 29, 2016

Filed:

Mar. 07, 2013
Applicant:

The United States of America As Represented BY the Administrator of the National Aeronautics and Space Administration, Washington, DC (US);

Inventors:

Robert Chaffee Richmond, Huntsville, AL (US);

Harry F. Schramm, Jr., Winchester, TN (US);

Francis G. Defalco, Houston, TX (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 173/00 (2006.01); C10M 149/10 (2006.01); C07D 207/26 (2006.01); C10M 169/00 (2006.01); C10M 169/02 (2006.01); C10M 141/08 (2006.01); C10M 141/02 (2006.01); C10M 141/06 (2006.01);
U.S. Cl.
CPC ...
C10M 141/08 (2013.01); C10M 141/02 (2013.01); C10M 141/06 (2013.01);
Abstract

A wear and/or friction reducing additive for a lubricating fluid in which the additive is a combination of a moderately hydrophilic single-phase compound and an anti-wear and/or anti-friction aqueous salt solution. The aqueous salt solution produces a coating on boundary layer surfaces. The lubricating fluid can be an emulsion-free hydrophobic oil, hydraulic fluid, antifreeze, or water. Preferably, the moderately hydrophilic single-phase compound is sulfonated castor oil and the aqueous salt solution additionally contains boric acid and zinc oxide. The emulsions produced by the aqueous salt solutions, the moderately hydrophilic single-phase compounds, or the combination thereof provide targeted boundary layer organizers that significantly enhance the anti-wear and/or anti-friction properties of the base lubricant by decreasing wear and/or friction of sliding and/or rolling surfaces at boundary layers.


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