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US 2017/0247630 A1Published application
Lubricating oil composition
AssigneeIdemitsu Kosan Co., Ltd.
InventorShuichi SAKANOUE
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Abstract
A lubricating oil composition of the invention contains: a base oil; at least one of acid phosphate represented by formulae (1) and (2) below; and an antioxidant. In the above formulae: R1, R2 and R3 are alkyl groups; and at least one of R1 and R2 has 20 to 30 carbon atoms while R3 has 20 to 30 carbon atoms.
Claims8
A lubricating oil composition, comprising:
- a base oil;
- at least one of acid phosphate represented by formulae (1) and (2) below;
- and
- an antioxidant,
- wherein:
- R1, R2 and R3 are alkyl groups;
- and
- at least one of R1 and R2 has 20 to 30 carbon atoms while R3 has 20 to 30 carbon atoms.
5 more elements
Dependencies are inferred from the claim text.