Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639865 | Thermoplastic biodegradable polysaccharide derivatives, process for the manufacture thereof and use thereof | Jochen Kalbe, Hanns P. Muller, Rainhard Koch, Jurgen Engelhardt, Klaus Szablikowski +1 more | 1997-06-17 |
| 5635569 | Superabsorbent polymers from cross-linked polyacrylonitrile emulsions | Gunter Sackmann, Siegfried Korte, Sergej Schapowalow, Klaus Szablikowski | 1997-06-03 |