Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5552226 | Process for pretreating surfaces of plastic items | Siegfried Thurm, Klaus Sommer, Peter Bier, Andreas Elschner, Manfred Kowitz | 1996-09-03 |
| 5487810 | Process for pretreating surfaces of plastic items | Siegfried Thurm, Klaus Sommer, Peter Bier, Andreas Elschner, Manfred Kowitz | 1996-01-30 |
| 5194467 | Stabilization of highly heat distortion resistant polycarbonates | Helmut-Martin Meier, Uwe Westeppe, Rolf Dhein, Dieter Freitag, Martin Wandel | 1993-03-16 |