Lubricant oil composition for internal combustion engines (law859)
US6638897B2 · kind B2 · utility
11Cited by
11References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 9, 1999 |
| Grant date | Oct 28, 2003 |
| Priority date | — |
| Expiry date | Jul 9, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/28
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The lubricating oil of the present invention exhibits an excellent effect of agglomerating solid impurity particles it contains to a sufficiently large size as to be captured and removed by an oil filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.