Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4207233 | Azo dyes containing a thiazole component | Guenther Seybold | 1980-06-10 |
| 4198205 | Triazinyl-anthraquinone dye formulations for cellulose or cellulosic fibrous material | Wolfgang Elser, Guenter Meyer | 1980-04-15 |