Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588413 | Process for producing dyeings with reactive dyestuffs | Karl-Heinz Keil, Fritz Engelhardt, Ulrich Greiner, Klaus Sternberger | 1986-05-13 |
| 4587338 | Perfluoroalkyl esters of anthranilic acids | Erich Schinzel | 1986-05-06 |