Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5057632 | Process for preparing dinitrotoluene | Allan B. Quakenbush | 1991-10-15 | $939,000 |
| 5012019 | Process for purifying aromatic nitration products | Robert W. Mason, Paul J. Craney, Thomas W. Offill, Robert T. Brooker | 1991-04-30 | $5,143,000 |
| 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 | $2,221,000 |