Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635723 | Solvent-free polyurethane dispersion | Alois Maier, Herbert Winkelmann, Josef Weichmann, Alfred Kern | 2003-10-21 |
| 6566438 | Hybrid polyurethane-polymer dispersion with high film hardness, method for the production and the use thereof | Stefan Ingrisch, Alois Maier, Herbert Winkelmann, Alfred Kern, Josef Weichmann | 2003-05-20 |