Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4410332 | Process for the level di- and trichromatic dyeing of polyacrylonitrile materials with migrating and non-migrating cationic dyes | Manfred Herrmann, Rico Jenny | 1983-10-18 |
| 4233028 | Process for the level dyeing of polyacrylonitrile materials of slow, normal and rapid absorptive capacity | Josef Koller, Ulrich Horn, Peter Moser, Pierre Galafassi | 1980-11-11 |
| 4181499 | Process for the level dyeing of polyacrylonitrile materials of slow, normal and rapid absorptive capacity | Joseph A. Koller, Peter Moser, Ulrich Horn, Pierre Galafassi | 1980-01-01 |