Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810448 | Processes for the production of dry-spun polyacrylonitrile profiled fibres and filaments | Ulrich Reinehr, Toni Herbertz, Hermann-Josef Jungverdorben, Hans K. Burghartz | 1989-03-07 |
| 4483903 | Dry-spun hollow polyacrylonitrile fibres and filaments and process for the production thereof | Ulrich Reinehr, Hans K. Burghart, Toni Herbertz, Hermann-Josef Jungverdorben | 1984-11-20 |
| 4457885 | Process for the production of dry-spun hollow polyacrylonitrile fibers and filaments | Ulrich Reinehr, Hans K. Burghartz, Toni Herbertz, Hermann-Josef Jungverdorben | 1984-07-03 |