Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703186 | Mixed polymers | Recai Sezi, Hellmut Ahne, Siegfried Birkle, Eberhard Kuehn, Rainer Leuschner +2 more | 1997-12-30 |
| 5616667 | Copolymers | Recai Sezi, Hellmut Ahne, Siegfried Birkle, Eberhard Kuehn, Rainer Leuschner +2 more | 1997-04-01 |