Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880876 | Thermoplastic polyester molding materials having low-temperature impact strength | Hans-Henning Hub, Georg N. Simon, Walter Ziegler, Juergen Sadlowski | 1989-11-14 |
| 4867912 | Highly heat-resistant polyaryl ether ketones | Juergen Koch, Manfred Eggersdorfer, Jochem Henkelmann, Helmut Muenstedt, Peter Ittemann | 1989-09-19 |
| 4837296 | Preparation of polyaryl ether ketones | Juergen Koch, Manfred Eggersdorfer, Jochem Henkelmann | 1989-06-06 |
| 4835242 | Aryl ether ketones | Manfred Eggersdorfer, Jochem Henkelmann, Juergen Koch | 1989-05-30 |
| 4798855 | Thermoplastic molding materials | Dietrich Lausberg, Gerd Blinne, Peter Ittemann, Erhard Seiler, Manfred Knoll | 1989-01-17 |