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US 2013/0096042 A1Published application
Bearing lubricant composition
AssigneesBalbis Co., Ltd., Knc Laboratories Co., Ltd., Sato Special Oil Co., Ltd.
InventorAkihiro ODA
Life of this patent
Estimating the term…
Abstract
A bearing lubricant composition includes a base oil containing an ester compound (α) represent by the general formula (1), and has a pour point of −30° C. or lower and a viscosity index of 150 or more. [wherein, A1 is a C3-8 linear or branched alkylene group; and at least one of Xa and Xb is a C2-20 linear or branched alkyl ether group, or when it is not an alkyl ether group, it is a C5-13 linear or branched alkyl group.]
Claims16
A bearing lubricant composition comprising a base oil containing an ester compound (α) represented by the general formula (1), wherein
- a pour point is −30° C. or lower and a viscosity index is 150 or more.
- [wherein, A1 is a C3-8 linear or branched alkylene group;
- and at least one of Xa and Xb is a C2-20 linear or branched alkyl ether group, or when it is not an alkyl ether group, it is a C5-13 linear or branched alkyl group that may have an unsaturated bond.]
Dependencies are inferred from the claim text.