Lubricating oil compositions for inhibiting coolant-induced oil filter plugging
US8093189B2 · kind B2 · utility
4Cited by
15References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2006 |
| Grant date | Jan 10, 2012 |
| Priority date | — |
| Expiry date | Aug 2, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2060/09
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Lubricating oil compositions are provided that inhibit coolant-induced oil filter plugging in heavy-duty diesel engines, and particularly CJ-4 and CI-4 PLUS compliant lubricating oil compositions that inhibit coolant-induced oil filter plugging in exhaust gas recirculation or recycle engines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.