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. 15, 2025
Filed:
Jun. 20, 2023
Applicant:
The Lubrizol Corporation, Wickliffe, OH (US);
Inventors:
William R. S. Barton, Belper, GB;
Brian B. Filippini, University Heights, OH (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10M 137/10 (2006.01); C10M 135/36 (2006.01); C10M 137/08 (2006.01); C10M 169/04 (2006.01); C10N 10/14 (2006.01); C10N 20/02 (2006.01); C10N 30/00 (2006.01); C10N 30/04 (2006.01); C10N 30/06 (2006.01); C10N 40/02 (2006.01); C10N 40/04 (2006.01);
U.S. Cl.
CPC ...
C10M 137/10 (2013.01); C10M 135/36 (2013.01); C10M 137/08 (2013.01); C10M 169/04 (2013.01); C10M 2219/106 (2013.01); C10M 2223/043 (2013.01); C10M 2223/045 (2013.01); C10N 2010/14 (2013.01); C10N 2020/02 (2013.01); C10N 2030/04 (2013.01); C10N 2030/06 (2013.01); C10N 2030/43 (2020.05); C10N 2040/02 (2013.01); C10N 2040/04 (2013.01);
Abstract
The disclosed technology relates to a lubricant composition for automotive gears, axles and bearings, the lubricant composition containing an oil of lubricating viscosity and a metal thiophosphate compound, such as zinc dialkyldithiophosphate, as well as a method of obtaining extreme pressure performance in automotive gears, axles and bearings at lower sulfur content than is typical, by lubricating such automotive gears, axles and bearings with a lubricant composition containing a metal thiophosphate compound, such as zinc dialkyldithiophosphate.