IP Library › Granted Patent US 12,110,467
Granted Patent B2
US 12,110,467 · App. 18/041,132 · Granted Oct 8, 2024

Lubricating oil composition

Inventor: Kengo Suzuki (Kanagawa, JP)
Assignee: SHELL USA, INC.
C10M125/10C10M125/24C10M169/04C10M2201/062C10M2201/085C10M2203/003C10M2223/06C10N2020/06C10N2020/061C10N2030/06
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Quick Facts
Patent No.
US 12,110,467
App. No.
18/041,132
Granted
Oct 8, 2024
Kind
B2
Abstract

The invention provides a lubricating oil composition comprising: a base oil; and coated particles made of nanoparticles and phosphonic acid coating at least a portion of the surface of the nanoparticles.

Claims (1)

1. A lubricating oil composition comprising: a base oil; and in the range of from 0.05 to 0.5% by mass of coated particles made of nanoparticles and phosphonic acid coating at least a portion of the surface of the nanoparticles, wherein the surface coverage of the coated particles by phosphonic acid is 10% or more, and wherein the nanoparticles are alumina.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 9, 2023
From: SUZUKI, KENGO
To: SHELL USA, INC.
Reel/Frame 062929/0241 →
CHANGE OF NAME Recorded Feb 9, 2023
From: SHELL OIL COMPANY
To: SHELL USA, INC.
Reel/Frame 062692/0512 →
Priority Claims (1)
JP 2020-150804 · Sep 8, 2020 · national
Continuity (1)
Related Publication 20230257671A1 · Aug 17, 2023