Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6730638 | Low ash, low phosphorus and low sulfur engine oils for internal combustion engines | Liehpao O. Farng, Andrew Jackson, Douglas E. Deckman, William H. Buck | 2004-05-04 |
| 6677281 | Synergistic combination of metallic and ashless rust inhibitors to yield improved rust protection and demulsibility in dispersant-containing lubricants | Angela S. Galiano-Roth | 2004-01-13 |