Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691425 | Polyurethane dispersions | Gerd Walz, Markus Schafheutle | 1997-11-25 |
| 5623016 | Aqueous, autocrosslinking polyurethane-vinyl hybrid dispersions | Joerg-Peter Geisler | 1997-04-22 |