Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472497 | Thermoplastic starch utilizing a biodegradable polymer as melting aid | Jurgen Loercks, Winfried Pommeranz, Harald Schmidt, Ernst Grigat, Wolfgang Schulz-Schlitte | 2002-10-29 |
| 6344535 | Polyether ester amides | Wolfgang Schulz-Schlitte, Michael J. Voigt | 2002-02-05 |
| 6235815 | Biodegradable polymeric mixtures based on thermoplastic starch | Jurgen Loercks, Winfried Pommeranz, Harald Schmidt, Ernst Grigat, Wolfgang Schulz-Schlitte | 2001-05-22 |
| 6071984 | Biodegradable plastics filled with reinforcing materials | Ernst Grigat, Hanns P. Muller, Wolfgang Schulz-Schlitte, Aziz E. Sayed | 2000-06-06 |
| 5827905 | Biodegradable plastics filled with reinforcing materials | Ernst Grigat, Hanns P. Muller, Wolfgang Schulz-Schlitte, Aziz E. Sayed | 1998-10-27 |
| 5644020 | Thermoplastically processible and biodegradable aliphatic polyesteramides | Ralf Dujardin, Rainhard Koch | 1997-07-01 |
| 5455311 | Thermoplastic block copolyesters capable of being composted for use as packaging materials | Ernst Grigat, Ralf Dujardin, Hans-Georg Rast | 1995-10-03 |
| 5314982 | Process for the preparation of polyurea greases | Christian Rasp, Hermann Perrey, Bernhard Lehmann, Siegfried Kussi | 1994-05-24 |