Low ash and ash-free acid neutralizing compositions and lubricating oil compositions containing same
US10731103B2 · kind B2 · utility
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28Claims
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Key dates
| Filing date | Dec 11, 2017 |
| Grant date | Aug 4, 2020 |
| Priority date | — |
| Expiry date | Dec 20, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2050/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An oleaginous nanoparticle dispersion of nanoparticles having a core of an organic base material immobilized within a surfactant layer, the use thereof as a low ash, or ash-free source of TBN in lubricating oil compositions, and lubricating oil compositions formulated with such oleaginous nanoparticle dispersions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.