Ionic liquid composition
US11859149B2 · kind B2 · utility
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20References
19Claims
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Key dates
| Filing date | Oct 26, 2022 |
| Grant date | Jan 2, 2024 |
| Priority date | — |
| Expiry date | Oct 26, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2030/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ionic liquid composed of nitrogen-free cations and aromatic halogen- and boron-free anions is useful as an additive to prolong the service life of hydrocarbonaceous liquids exposed to nitrogen dioxide contamination, and to provide friction and wear reduction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.