Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11879081 | Release liner for repositionable adhesive articles | Helmut Schönfelder, Rolf Krekel | 2024-01-23 |
| 6989189 | Separable layer of bonding material, laminate and method for making same | Peter Ludwig, Werner Tschenet | 2006-01-24 |
| 5962098 | Release liner | Hans Wattendorf | 1999-10-05 |
| 4943374 | Use of a microporous membrane constructed of polyether sulfon and hydrophilization agent for the filtration of beer | Hans-Ulrich Heininger, Ernst Pawlowsky | 1990-07-24 |