Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658617 | Aqueous dispersion of polyurethane resins, a method of manufacturing them, coating agents containing them and use thereof | Hans-Peter Patzschke | 1997-08-19 |
| 5654391 | Aqueous dispersion based on polymer/polyurethane resins, process for the production thereof, coating compositions and use thereof | Hans-Peter Patzschke | 1997-08-05 |