Grease composition for hub unit bearing
US10081778B2 · kind B2 · utility
1Cited by
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9Claims
0Family size
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Key dates
| Filing date | Oct 30, 2013 |
| Grant date | Sep 25, 2018 |
| Priority date | — |
| Expiry date | Oct 30, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2050/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides a grease composition for hub unit bearing, having (a) as a base oil a mixture of a hydrocarbon synthetic oil and an ester type synthetic oil, with the content of the ester type synthetic oil being 20 to 50 parts by mass with respect to 100 parts by mass of the total of the hydrocarbon synthetic oil and the ester type synthetic oil, and the base oil having a kinematic viscosity at 40° C. of 20 to 80 mm2/s, and (b) as a thickener a urea compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.