Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749948 | Polyolefin film with peelable outer layer | Hans Wunderlich, Helmut Wagner, Willi Schwarz | 2004-06-15 |
| 6645609 | Peelable, sealable polyolefinic multilayered film and its use as a packaging film | Helmut Wagner, Willi Schwarz, Hans Wunderlich | 2003-11-11 |
| 6489038 | Heat-laminable multi-layer film | Willi Schwarz | 2002-12-03 |
| 6270882 | Flexible, multi-layer film having elevated stiffness, dimensional stability and flex crack resistance | Holger Eggers, Klaus Lund, Rainer Brandt | 2001-08-07 |