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US 2022/0154096 A1Published application
Lubricant additive, lubricant additive composition, and lubricating oil composition containing the same
AssigneeNof Corporation
InventorsYutaro Shimizu, Hideki Kawamoto, Kazuhiro Oda, Seita Ueda
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Abstract
A lubricant additive capable of imparting various functions to a lubricant base oil contains an ester compound (A) represented by formula (1) and an ester compound (B) represented by formula (2). (A):(B) being a mass ratio of the ester compound (A) to the ester compound (B) is 99:1 to 80:20.
Claims4
A lubricant additive, comprising:
- an ester compound (A) represented by formula (1),
- wherein R1 represents a single bond between carbon atoms of carbonyl groups, or a divalent hydrocarbon group having 1 to 4 carbon atoms, R2 represents a hydrocarbon group having 4 to 22 carbon atoms, and M represents a hydrogen atom or organic ammonium;
- and
- an ester compound (B) represented by formula (2),
- wherein R3 represents a single bond between carbon atoms of carbonyl groups, or a divalent hydrocarbon group having 1 to 4 carbon atoms, and R4 and R5 each independently represent a hydrocarbon group having 4 to 22 carbon atoms, wherein
- (A):(B) being a mass ratio of the ester compound (A) and the ester compound (B) is 99:1 to 80:20.
3 more elements
Dependencies are inferred from the claim text.