Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797016 | Dye composition, their production and their use | Georg Schofberger, Jurgen Geiwiz | 2004-09-28 |
| 6764524 | 1:2 chromium complex dyes, their production and use | — | 2004-07-20 |
| 6696553 | Anthraquinone-azo dyes and use of such compounds | — | 2004-02-24 |