Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7435598 | Catalyst testing apparatus and process | Stephen Vaughn, John K. Pierce, Douglas B. King | 2008-10-14 |
| 4448665 | Use of ammonia to reduce the viscosity of bottoms streams produced in hydroconversion processes | Sioma Zaczepinski, Rustom M. Billimoria, Frank Tao, Karl W. Plumlee | 1984-05-15 |