Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5057632 | Process for preparing dinitrotoluene | Allan B. Quakenbush | 1991-10-15 |
| 5012019 | Process for purifying aromatic nitration products | Robert W. Mason, Paul J. Craney, Thomas W. Offill, Robert T. Brooker | 1991-04-30 |
| 4918250 | Process for the production of dinitrotoluene using an inorganic salt as a phase separation agent | Robert W. Mason, Kent J. Bordelon | 1990-04-17 |