Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4900455 | Finishes for stable fibers of synthetic polymers | Joachim Kolbe, Ferdinand Kummeler, Rudolf J. Klee | 1990-02-13 |
| 4863478 | Dressing agent for synthetic fibers | Joachim Kolbe, Ferdinand Kummeler, Rudolf J. Klee | 1989-09-05 |
| 4701980 | Method for the multi-stage fibre cables and the apparatus required for it | Wolfgang Backer, Wolfram Wagner, Gunther Hahn | 1987-10-27 |
| 4434530 | Process for the production of highly shrinkable split tows of acrylonitrile polymers | Hans Wilsing, Fritz Schultze-Gebhardt | 1984-03-06 |