Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8556995 | Dyeing auxiliary | Hans Peter Haerri, Franz Gruener, Huiya Yuan, Xiaolong Lu | 2013-10-15 |
| 7846215 | Process for dyeing polyester | Martin Weber | 2010-12-07 |
| 5810891 | Process for dyeing wool-containing fiber materials | Philippe Ouziel | 1998-09-22 |