Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5232577 | Hydrocracking process with polycyclic aromatic dimer removal | John C. Fetzer, John M. Rosenbaum, Robert W. Bachtel, Dennis R. Cash | 1993-08-03 |
| 5190633 | Hydrocracking process with polynuclear aromatic dimer foulant adsorption | John C. Fetzer | 1993-03-02 |