Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829140 | Polyamidimides having modified end groups | Wilfried Zecher | 1989-05-09 |
| 4798686 | Organic polymers with electrical properties | Jurgen Hocker, Ludwig Rottmaier, Jurgen Kirsch, Heinz-Josef Fullmann | 1989-01-17 |