Issued Patents 1997
Showing 1–3 of 3 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, Wolfgang Koch +1 more | 1997-06-17 |
| 5635569 | Superabsorbent polymers from cross-linked polyacrylonitrile emulsions | Gunter Sackmann, Siegfried Korte, Sergej Schapowalow, Wolfgang Koch | 1997-06-03 |
| 5614616 | Process for the production of polysaccharides | Hans-Josef Buysch, J orn Breckwoldt | 1997-03-25 |