Lubricating oil composition with anti-mist additive
US9115615B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Oct 5, 2011 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | May 11, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/255
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricating composition containing an oil of lubricating viscosity, a high molecular weight polyolefin that is at least substantially free of ethylene-derived monomer units, and an overbased metal containing detergent, is capable of reducing intake valve deposits in a direct injection engine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.