Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854021 | Stufferbox crimper and process for preparing crimped synthetic fibers | Ulrich Reinehr, Christian Pieper, Rolf-Burkhard Hirsch, Jakob Breuer | 1989-08-08 |
| 4842793 | Process for wetting thread bundles with liquids | Ulrich Reinehr, Rolf-Burkhard Hirsch, Joachim Dross | 1989-06-27 |
| 4810448 | Processes for the production of dry-spun polyacrylonitrile profiled fibres and filaments | Ulrich Reinehr, Kurt Bernklau, Toni Herbertz, Hans K. Burghartz | 1989-03-07 |