	US 12,325,837 B2
	Lubricating oil compositions comprising a polyalphaolefin
Richard Hogendoorn, Rotterdam (NL); and Kevin Zevenbergen, Rotterdam (NL)
Assigned to CHEVRON ORONITE TECHNOLOGY B.V., Rotterdam (NL)
Appl. No. 17/780,361
Filed by CHEVRON ORONITE TECHNOLOGY B.V., Rotterdam (NL)
PCT Filed Dec. 10, 2020, PCT No. PCT/IB2020/061727 § 371(c)(1), (2) Date May 26, 2022, PCT Pub. No. WO2021/124030, PCT Pub. Date Jun. 24, 2021.
Claims priority of provisional application 62/951,249, filed on Dec. 20, 2019.
Prior Publication US 2023/0002698 A1, Jan. 5, 2023
Int. Cl. C10M 169/06 (2006.01); C10M 169/04 (2006.01); C10N 20/02 (2006.01); C10N 20/04 (2006.01); C10N 30/04 (2006.01); C10N 30/10 (2006.01)

CPC C10M 169/041 (2013.01) [C10M 169/06 (2013.01); C10M 2215/086 (2013.01); C10N 2020/02 (2013.01); C10N 2020/04 (2013.01); C10N 2030/04 (2013.01); C10N 2030/10 (2013.01)]

14 Claims

1. A lubricating oil composition comprising:

(a) from about 6 wt. % to about 15 wt. %, based on the total weight of the lubricating oil composition, of one or more base oils (A) comprising one or more polyalphaolefin (PAO) base oils having a kinematic viscosity at 10° C. of from about 8.0 cSt to about 12 cSt;

(b) from about 65 wt. % to about 85 wt. %, based on the total weight of the lubricating oil composition, of one or more base oils (B) having a kinematic viscosity at 100° C. of from about 3.0 cSt to about 5.5 cSt; and

(c) from about 0.1 wt. % to about 10 wt. %, based on the total weight of the lubricating oil composition, of a succinimide dispersant;

wherein base oil (A) is derived at least in part from a C₁₂olefin and further wherein base oil A has a weight average molecular weight of from about 300 g/mol to about 1000 g/mol.