Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4680033 | Process for producing white and colored resists on polyamide fiber materials using reactive dye in free vinyl sulphone form | Johannes Bos, Sienling Ong, Peter Raffel, Kurt Brozat | 1987-07-14 |
| 4640691 | Pad dyeing process for wool | Wolfgang Richter | 1987-02-03 |