Patents

US 12359143 B2: Composition and method for lubricating automotive gears, axles and bearings

Granted
2025-07-15
Filed
2023-06-20 application 18211869
Type
Utility · 14 claims
Elsewhere
Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗

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.

Source: PVGPATDIS, file of 2026-04-10 (ipg250715.xml).

Assignees

AssigneeTypePlaceAlso on furp.orgSource
The Lubrizol Corporation 368 patentsUS company or organizationWickliffe, OHPVGPATDIS, file of 2026-04-10

Inventors

InventorPlacePatentsPerson pageSource
William R. S. BartonBelper, GB55PVGPATDIS, file of 2026-04-10
Brian B. FilippiniUniversity Heights, OH8PVGPATDIS, file of 2026-04-10

CPC categories

SubclassCategoryFirst groupSource
C10MLubricating compositions ; use of chemical substances either alone or as lubricating ingredients in a lubricating compositionC10M137/00PVGPATDIS, file of 2026-04-10
C10NIndexing scheme associated with subclass c10m relating to lubricating compositionsC10N2010/14PVGPATDIS, file of 2026-04-10

Cooperative Patent Classification, as currently assigned (one row per subclass).

Assignments and security interests

No recorded assignments or security interests on file for this patent.

USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.