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US 2018/0112147 A1Published application
Grease Composition and Rolling Bearing in Which Grease Composition is Sealed
AssigneeJtekt Corporation
InventorsKazunori MIYAKE, Tomotaka NAKAGAWA
Life of this patent
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Abstract
There is provided a grease composition containing a base oil including an ester oil, and a thickener including diurea represented by formula (1) below: wherein the thickener including the diurea is contained in an amount of 18% by mass or less.
Claims4
A grease composition comprising:
- a base oil including an ester oil;
- and
- a thickener including diurea represented by formula (1) below:
- (wherein R1 and R3 are the same or different, and each represent an aliphatic hydrocarbon group or an alicyclic hydrocarbon group, and R2 represents an aromatic hydrocarbon group),
- wherein the diurea is contained in an amount of 18% by mass or less.
2 more elements
Dependencies are inferred from the claim text.