Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6001132 | Preparation of aqueous solutions suitable for finishing cellulose containing textile materials | Klaus Flory, Matthias Kummer | 1999-12-14 |
| 4813971 | Use of cyclic esters of sulfurous acid in the dyeing of polyamide textile materials | Sigismund Heimann, Michele Vescia, Hermann Sulz, Ingrid Steenken | 1989-03-21 |