Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670082 | Bleaching auxiliary | Klaus Huber, Thomas Maier | 1997-09-23 |
| 5646271 | Bleaching auxiliary | Klaus Huber, Thomas Maier | 1997-07-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670082 | Bleaching auxiliary | Klaus Huber, Thomas Maier | 1997-09-23 |
| 5646271 | Bleaching auxiliary | Klaus Huber, Thomas Maier | 1997-07-08 |