	US 12,110,467 B2
	Lubricating oil composition
Kengo Suzuki, Kanagawa (JP)
Assigned to SHELL USA, INC., Houston, TX (US)
Appl. No. 18/041,132
Filed by SHELL OIL COMPANY, Houston, TX (US)
PCT Filed Sep. 6, 2021, PCT No. PCT/EP2021/074452 § 371(c)(1), (2) Date Feb. 9, 2023, PCT Pub. No. WO2022/053424, PCT Pub. Date Mar. 17, 2022.
Claims priority of application No. 2020-150804 (JP), filed on Sep. 8, 2020.
Prior Publication US 2023/0257671 A1, Aug. 17, 2023
Int. Cl. C10M 125/10 (2006.01); C10M 125/24 (2006.01); C10M 169/04 (2006.01); C10N 20/00 (2006.01); C10N 20/06 (2006.01); C10N 30/06 (2006.01)

CPC C10M 125/10 (2013.01) [C10M 125/24 (2013.01); C10M 169/04 (2013.01); C10M 2201/062 (2013.01); C10M 2201/085 (2013.01); C10M 2203/003 (2013.01); C10M 2223/06 (2013.01); C10N 2020/06 (2013.01); C10N 2020/061 (2020.05); C10N 2030/06 (2013.01)]

1 Claim

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.