Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4427600 | Preparation of 1-alkyl-2-chloro-5-nitrobenzene-4-sulfonic acids | Peter Tonne, Elisabeth Mueller | 1984-01-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4427600 | Preparation of 1-alkyl-2-chloro-5-nitrobenzene-4-sulfonic acids | Peter Tonne, Elisabeth Mueller | 1984-01-24 |