Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870045 | High-temperature resistant molded catalysts and process for their production | Bertram Gasper, Karlheinz Neuschaffer | 1989-09-26 |
| 4833005 | Laminate of fiber-reinforced, crosslinked polypropylene | Karlo Klaar, Werner Kuhnel | 1989-05-23 |
| 4826552 | Process for the production of multiple-layer moldings | Hans-Ulrich Breitscheidel, Karlo Klaar | 1989-05-02 |