Lubricant compositions containing Lindqvist metalates
US9200228B2 · kind B2 · utility
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Key dates
| Filing date | Dec 16, 2013 |
| Grant date | Dec 1, 2015 |
| Priority date | — |
| Expiry date | Mar 20, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricating composition comprises a major amount of a base oil, and an additive comprising a polyoxo Lindqvist ion of formula [M1aM2bQ1cQ2d]q, wherein M1 and M2 may be the same or different and are chosen from Group 3-12 transition metals, the Lindqvist ion being solvated with a hydrocarbyl substituted amine, the Lindqvist ion optionally containing bound organic ligands containing electron donating groups, the additive being present in amount to provide about 0.2-3 moles of metal from the Lindqvist ion per megagram of lubricating composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.