Mineral base oil having high viscosity index and improved volatility and method of manufacturing same
US11352580B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Jan 22, 2020 |
| Grant date | Jun 7, 2022 |
| Priority date | — |
| Expiry date | Jan 22, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/25
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a mineral base oil including 85 to 92 wt % of a paraffinic hydrocarbon and 8 to 15 wt % of a naphthenic hydrocarbon and having a Noack volatility of 10 to 12 wt % and a viscosity index of 132 to 142.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.