Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691425 | Polyurethane dispersions | Heinz-Peter Klein, Gerd Walz | 1997-11-25 |
| 5670441 | Bismuth catalysts useful for curing of cataphoretic deposition coating materials | Hartmut Foedde, Achim Voelker, Susanne Wehner, Klausjoerg Klein | 1997-09-23 |
| 5646236 | Polyesters and their use as additives in coating compositions | Achim Voelker, Susanne Wehner, Gerd Walz, Joachim Zoeller | 1997-07-08 |