Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472497 | Thermoplastic starch utilizing a biodegradable polymer as melting aid | Jurgen Loercks, Winfried Pommeranz, Harald Schmidt, Ralf Timmermann, Ernst Grigat | 2002-10-29 |
| 6344535 | Polyether ester amides | Ralf Timmermann, Michael J. Voigt | 2002-02-05 |
| 6307003 | Compostable adhesive | Ernst Grigat, Karsten-Josef Idel, Uwe Westeppe, Winfried Pommeranz, Jurgen Lorcks +1 more | 2001-10-23 |
| 6235815 | Biodegradable polymeric mixtures based on thermoplastic starch | Jurgen Loercks, Winfried Pommeranz, Harald Schmidt, Ralf Timmermann, Ernst Grigat | 2001-05-22 |
| 6071984 | Biodegradable plastics filled with reinforcing materials | Ernst Grigat, Hanns P. Muller, Aziz E. Sayed, Ralf Timmermann | 2000-06-06 |
| 5827905 | Biodegradable plastics filled with reinforcing materials | Ernst Grigat, Hanns P. Muller, Aziz E. Sayed, Ralf Timmermann | 1998-10-27 |
| 5334692 | Highly branched polyphosphonates based on melamine | Bernhard Hess, Jurgen Kirsch, Dieter Freitag, Uwe Arndt, Hans-Georg Gehrke +1 more | 1994-08-02 |
| 5216113 | Highly branched polyphosphonates | Jurgen Kirsch, Karsten-Josef Idel, Gerd Fengler, Uwe Arndt, Hans-Dieter Block | 1993-06-01 |
| 5159074 | Aminomethanephosphonic acid aryl esters, a process for their production and their use | Uwe Arndt, Hans-Dieter Block | 1992-10-27 |