	US 11,859,148 B2
	Basic ashless additives and lubricating compositions containing same
Daniel J. Saccomando, Sheffield (GB); William R. S. Barton, Belper (GB); Amelia Stoneley, Worcestershire (GB); Yanshi Zhang, Solon, OH (US); and Ewan E. Delbridge, Concord Township, OH (US)
Assigned to The Lubrizol Corporation, Wickliffe, OH (US)
Appl. No. 17/621,790
Filed by The Lubrizol Corporation, Wickliffe, OH (US)
PCT Filed Jul. 1, 2020, PCT No. PCT/US2020/040485 § 371(c)(1), (2) Date Dec. 22, 2021, PCT Pub. No. WO2021/003265, PCT Pub. Date Jan. 7, 2021.
Claims priority of provisional application 62/869,229, filed on Jul. 1, 2019.
Prior Publication US 2022/0259514 A1, Aug. 18, 2022
Int. Cl. C10M 133/06 (2006.01); C10M 169/04 (2006.01); C10N 30/00 (2006.01); C10N 30/04 (2006.01); C10N 30/12 (2006.01); C10N 40/04 (2006.01); C10N 40/25 (2006.01)

CPC C10M 133/06 (2013.01) [C10M 169/04 (2013.01); C10M 2203/003 (2013.01); C10M 2215/26 (2013.01); C10N 2030/04 (2013.01); C10N 2030/12 (2013.01); C10N 2030/42 (2020.05); C10N 2030/43 (2020.05); C10N 2030/52 (2020.05); C10N 2040/04 (2013.01); C10N 2040/25 (2013.01)]

23 Claims

1. A lubricant composition comprising:

a) an oil of lubricating viscosity selected from at least one of an API Group I oil, Group II oil, Group III oil, Group IV oil, Group V oil, and mixtures thereof; and

b) a N-aralkyl α-carbonyl functional amine selected from a compound of the formula:

wherein R, R₁, R₂, R₃and R₄independently represent hydrogen or an unsubstituted hydrocarbyl group containing 1 to 24 carbon atoms; A is selected from 0 and NR₅, wherein R₅represents hydrogen or a hydrocarbyl group containing 1 to 24 carbon atoms; and R₆represents a substituted or unsubstituted hydrocarbyl group containing 1 to 24 carbon atom; and wherein said N-aralkyl α-carbonyl functional amine is present in an amount ranging from about 0.1 to about 6 wt. % based on the weight of the total composition.