Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5741930 | Reduction of nitrite contaminants by selective hydrogenation | Dennis Hearn | 1998-04-21 |
| 5629451 | Reduction of nitrile contaminants by selective hydrogenation | Dennis Hearn | 1997-05-13 |