Lubricating oil compositions
US8178478B2 · kind B2 · utility
0Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2006 |
| Grant date | May 15, 2012 |
| Priority date | — |
| Expiry date | Jul 27, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/25
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An internal combustion engine crankcase lubricating oil composition is disclosed. The crankcase lubricating oil composition has a TBN no greater than 6 and contains the following additives: (B1) a metal detergent system having a metal ratio no greater than 3, as the sole detergent system; (B2) an organic ashless friction modifier; (B3) an oil-soluble molybdenum friction modifier; and (B4) a metal dihydrocarbyl dithiophosphate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.