Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5102422 | Methods for leather processing including liquid enzyme formulation | Juergen Christner, Ernst Pfleiderer, Tilman Taeger | 1992-04-07 |
| 4943530 | Liquid enzyme preparations | Juergen Christner, Ernst Pfleiderer, Tilman Taeger | 1990-07-24 |