Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5902356 | Textile dye preparations | Ulrich Buhler, Hubert Kruse | 1999-05-11 |
| 5240499 | Surfactant triazine compounds and their use | Wolfgang Schwab, Dieter Schnaitmann, Erwin Dietz | 1993-08-31 |