US 12,391,898 B2
Friction modifier system
Taiki Hattori, Shizuoka (JP); Koichi Kubo, Yokohama (JP); and William Raymond Ruhe, Jr., Solano, CA (US)
Assigned to CHEVRON JAPAN LIMITED, Tokyo (JP); and CHEVRON ORONITE COMPANY LLC, San Ramon, CA (US)
Appl. No. 18/028,859
Filed by CHEVRON JAPAN LIMITED, Tokyo (JP); and CHEVRON ORONITE COMPANY LLC, San Ramon, CA (US)
PCT Filed Oct. 5, 2021, PCT No. PCT/IB2021/059104
§ 371(c)(1), (2) Date Mar. 28, 2023,
PCT Pub. No. WO2022/074547, PCT Pub. Date Apr. 14, 2022.
Claims priority of provisional application 63/087,617, filed on Oct. 5, 2020.
Prior Publication US 2023/0287291 A1, Sep. 14, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. C10M 169/00 (2006.01); C10M 133/44 (2006.01); C10M 135/18 (2006.01); C10M 141/08 (2006.01); C10M 169/04 (2006.01); C10N 40/25 (2006.01)
CPC C10M 169/04 (2013.01) [C10M 133/44 (2013.01); C10M 135/18 (2013.01); C10M 141/08 (2013.01); C10M 2203/003 (2013.01); C10M 2215/30 (2013.01); C10M 2219/068 (2013.01); C10N 2040/25 (2013.01)] 20 Claims
 
1. A lubricating oil composition comprising:
a) major amount of a base oil; and
b) minor amount of a synergistic friction modifier composition comprising:
i) a molybdenum containing compound; and
ii) a tertiary amine-containing compound having the following structure:

OG Complex Work Unit Chemistry
wherein each R1 and R5 is independently a linear or branched-chain monovalent hydrocarbyl group having one to about twenty carbon atoms, wherein each R2, R3, and R4 is independently a hydrogen, a linear or branched-chain monovalent hydrocarbyl group having one to about twenty carbon atoms, each m is independently from 0 to 4, each p is independently from 0 to 4, for each cyclic moiety m+p is from 2 to 4, and each n is independently from 1 to 6.