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US 2003/0069145 A1Published application
Gas engine lubricating oil composition
AssigneeInfineum International Limited
InventorsLaurent Chambard, Yolanda Owen
Life of this patent
Estimating the term…
Abstract
A gas engine lubricating oil composition that is substantially free from dispersant. The gas engine lubricating oil composition has a TBN in the range of 3.5 to 20. The gas engine lubricating oil composition comprises an oil of lubricating viscosity and at least one metal detergent.
Claims12
A gas engine lubricating oil composition having a TBN in the range of 3.5 to 20, the gas engine lubricating oil composition comprising:
- an oil of lubricating viscosity;
- and
- at least one metal detergent;
- characterised in that the gas engine lubricating oil composition is substantially free from dispersant.
1 more element
A gas engine lubricating oil concentrate that is substantially free from dispersant, the concentrate comprising at least one metal detergent.
Dependencies are inferred from the claim text.