Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923660 | Process for the production of mouldings and films from thermotropic polymers | Bernd Willenberg, Aziz El Sayed, Hans-Rudolf Dicke | 1990-05-08 |
| 4492778 | Method for making fluorescent light-collectors | Uwe Claussen, Josef Merten, Bernd Melchior | 1985-01-08 |
| 4415719 | Thermoplastic, branched aromatic polyphosphonates, and a process for their production | Manfred Schmidt, Ludwig Bottenbruch, Dieter Freitag, Klaus Reinking, Hans-Dieter Block | 1983-11-15 |
| 4331614 | Aromatic polyphosphonates and a process for their production | Manfred Schmidt, Ludwig Bottenbruch, Dieter Freitag, Klaus Reinking, Hans-Dieter Block | 1982-05-25 |
| 4328174 | Aromatic polyester phosphonates | Manfred Schmidt, Dieter Freitag, Ludwig Bottenbruch, Klaus Reinking, Harald Medem | 1982-05-04 |