Engine wear protection in engines operated using ethanol-based fuel
US8198221B2 · kind B2 · utility
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1References
7Claims
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Key dates
| Filing date | Apr 8, 2010 |
| Grant date | Jun 12, 2012 |
| Priority date | — |
| Expiry date | Apr 8, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/25
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Lubricant formulations and methods for producing lubricant formulations are described that provide improved wear protection in engines operated using ethanol-based fuels. The improved wear protection may be provided by an increased amount of overbased calcium detergent present in the formulation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.