Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4287258 | Particulate styrene polymers containing blowing agent | Klaus Hahn, Hans Peter Rath | 1981-09-01 |
| 4282334 | Manufacture of high impact and translucent styrene polymers | Dieter Stein, Gerhard Fahrbach, Rudolf H. Jung, Adolf Echte | 1981-08-04 |
| 4218511 | Self-extinguishing, expandable styrene polymers | Klaus Hahn, Karl Stange, Heinz Weber | 1980-08-19 |