Lubricating oil with enhanced protection against wear and corrosion
US8709987B2 · kind B2 · utility
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17References
13Claims
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Key dates
| Filing date | Feb 15, 2012 |
| Grant date | Apr 29, 2014 |
| Priority date | — |
| Expiry date | Feb 15, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2060/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided is a lubricating oil composition comprising: (a) a major amount of an oil of lubricating viscosity; and (b) one or more borated alkaline earth metal alkyltoluene sulfonate detergents; wherein the lubricating oil composition comprises no more than about 0.20 wt. % of phosphorus and no more than about 0.50 wt. % of sulfur.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.