Lubricating oil
US8318644B2 · kind B2 · utility
8Cited by
4References
10Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 8, 2004 |
| Grant date | Nov 27, 2012 |
| Priority date | — |
| Expiry date | Mar 17, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides a lube oil which exhibits low vapor pressure despite having low viscosity, is non-flammable, exhibits excellent heat resistance, has tribological characteristics equivalent to those of conventional hydrocarbon-based lube oils, and can be used for a long time under very severe conditions such as high temperature and vacuum.The lube oil contains, as a base oil, an ionic liquid formed of a cation and an anion and having an ion concentration of 1 mol/dm3 or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.