Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4535066 | Passivating metals on cracking catalysts | Harold W. Mark, Brent J. Bertus, John S. Roberts, Dwight L. McKay | 1985-08-13 |
| 4459366 | Passivating metals on cracking catalysts | Harold W. Mark, Brent J. Bertus, John S. Roberts, Dwight L. McKay | 1984-07-10 |