Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7981846 | Lubricating oil composition with improved emission compatibility | Ralph Eric Olsen, Willem Dam | 2011-07-19 |
| 7960322 | Lubricating oil compositions comprising a biodiesel fuel and an antioxidant | — | 2011-06-14 |
| 7875576 | Lubricating oil composition for internal combustion engines | — | 2011-01-25 |