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. 17, 2026

Filed:

Aug. 12, 2022
Applicant:

The Lubrizol Corporation, Wickliffe, OH (US);

Inventors:

Brian B. Filippini, University Heights, OH (US);

William R.S. Barton, Belper, GB;

Assignee:

The Lubrizol Corporation, Wickliffe, OH (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10M 169/04 (2006.01); C10M 133/08 (2006.01); C10N 10/04 (2006.01); C10N 30/00 (2006.01); C10N 30/04 (2006.01); C10N 40/04 (2006.01); C10N 60/10 (2006.01); C10N 60/14 (2006.01);
U.S. Cl.
CPC ...
C10M 169/04 (2013.01); C10M 133/08 (2013.01); C10M 2215/042 (2013.01); C10M 2219/022 (2013.01); C10M 2223/045 (2013.01); C10N 2010/04 (2013.01); C10N 2030/04 (2013.01); C10N 2030/42 (2020.05); C10N 2040/04 (2013.01); C10N 2060/10 (2013.01); C10N 2060/14 (2013.01);
Abstract

The disclosed technology relates to a lubricant composition for automotive or industrial gears, as well as axles and bearings, the automotive or industrial gear oil containing an oil of lubricating viscosity, an optional phosphate and/or thiophosphate compound, a particular sulfurized olefin, either a metal thiophosphate compound, such as zinc dialkyldithiophosphate, a thiadiazole functionalized dispersant, or a mixture thereof, and a hydroxyl/amine containing booster, as well as a method of improving automotive or industrial gear operating efficiency and temperature by lubricating such automotive or industrial gears with the automotive or industrial gear oil.


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