Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6060591 | Water-soluble fiber-reactive dyes, processes for their preparation, and their use | Hermann Henk, Stefan Ehrenberg, Wolfram Reddig | 2000-05-09 |
| 6046311 | Water-soluble fiber-reactive dyes, preparation thereof and use thereof | Hermann Henk, Stefan Ehrenberg, Wolfram Reddig | 2000-04-04 |
| 5712394 | Process for preparing 2,4,6-trichloropyrimidine | Stefan Ehrenberg, Frank-Michael Stohr | 1998-01-27 |
| 5498700 | Naphthylazonaphthol dyes which contain a 5-chloro-6-fluoropyrimidin-4-yl reactive group | Hermann Henk | 1996-03-12 |