Issued Patents 1989
Showing 1–1 of 1 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 |