Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5810889 | Aqueous textile treatment compositions containing an ultra-violet absorbing agent | Werner Kaufmann, Rolf Hilfiker, Hanspeter Gysin, Urs Hofer, Hans Peter Harri | 1998-09-22 |