Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7902131 | Antioxidant synergist for lubricating compositions | Brian W. Stunkel, Steven G. Donnelly | 2011-03-08 |
| 7879777 | Antioxidant additive for lubricant compositions, comprising organotungstate, diarylamine and organomolybdenum compounds | Robert Tynik, Steven G. Donnelly | 2011-02-01 |