Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6727291 | Preparation of expandable propylene polymer beads | Christian Maletzko, Klaus Hahn, Gerd Ehrmann, Franz-Josef Dietzen | 2004-04-27 |
IG
Isidor de Grave
Overall (2004): #203,878 of 270,089Top 80%
1
Patents 2004