Marine diesel engine lubricating oil compositions
US9434906B2 · kind B2 · utility
1Cited by
30References
16Claims
0Family size
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Key dates
| Filing date | Mar 25, 2013 |
| Grant date | Sep 6, 2016 |
| Priority date | — |
| Expiry date | Mar 25, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed herein are marine diesel engine lubricating oil compositions which comprises (a) a major amount of an oil of lubricating viscosity, and (b) about 3 wt. % to about 40 wt. %, based on the total weight of the marine diesel engine lubricating oil composition, of a sulfurized, alkaline earth metal alkylphenate detergent which is substantially free of polyol promoter oxidation products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.