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, Axel Sandquist | 1996-09-03 |
| 5487810 | Process for pretreating surfaces of plastic items | Siegfried Thurm, Klaus Sommer, Peter Bier, Andreas Elschner, Axel Sandquist | 1996-01-30 |
| 5152879 | Process for the treatment of polyolefin films | Siegfried Thurm, Ulrich Reiners, Ingo Schinkel | 1992-10-06 |