Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495496 | Hydroxy aromatic mannich base condensation products and the use thereof as soot dispersants in lubricating oil compositions | Mark G. Stevens, Ricardo Bloch, Robert A. Kleist | 2002-12-17 |
| 6358896 | Friction modifiers for engine oil composition | Rolfe J. Hartley | 2002-03-19 |