Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122587 | Two stage process of preparing polyaryletherketones | Gerhard Heinz | 1992-06-16 |
| 4997902 | Polyaryl ethers which are stable at high temperatures and have improved processibility | Juergen Koch, Gerhard Heinz | 1991-03-05 |
| 4942216 | Polyaryl ether ketones having improved processibility | Gerhard Heinz, Juergen Koch | 1990-07-17 |