US 12,227,715 B2
Lubricating oil composition
Yeon Joo Bae, Gyeongsangnam-do (KR); Keum Cheol Hwang, Hwaseong-si (KR); and Im Joo Choi, Dangjin-si (KR)
Assigned to KONASOL CO., LTD., Dangjin-si (KR)
Filed by KONASOL CO., LTD., Dangjin-si (KR)
Filed on Jan. 4, 2024, as Appl. No. 18/404,548.
Application 18/404,548 is a continuation of application No. 17/897,250, filed on Aug. 29, 2022.
Claims priority of application No. 10-2022-0089072 (KR), filed on Jul. 19, 2022.
Prior Publication US 2024/0150671 A1, May 9, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C10M 169/04 (2006.01); C10M 125/02 (2006.01); C10M 129/92 (2006.01); C10M 133/06 (2006.01); C10M 141/06 (2006.01); C10N 20/00 (2006.01); C10N 20/06 (2006.01)
CPC C10M 169/04 (2013.01) [C10M 125/02 (2013.01); C10M 129/92 (2013.01); C10M 133/06 (2013.01); C10M 141/06 (2013.01); C10M 2201/041 (2013.01); C10M 2203/003 (2013.01); C10M 2207/10 (2013.01); C10M 2215/26 (2013.01); C10N 2020/06 (2013.01); C10N 2020/061 (2020.05)] 11 Claims
OG exemplary drawing
 
1. A lubricating oil additive comprising:
a plurality of nanoparticles; and
base oil in which the plurality of nanoparticles are dispersed,
wherein each of the plurality of nanoparticles comprises a core and a shell surrounding the core,
wherein the core comprises a nanodiamond, and the shell comprises at least one of an unsaturated fatty acid and an amine-based compound, and
wherein a thermal conductivity of the core is greater than a thermal conductivity of the shell, and the thermal conductivity of the shell is greater than a thermal conductivity of the base oil.