Issued Patents All Time
Showing 1–1 of 1 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, Manfred Motter | 1983-10-18 |