Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743901 | Preparation of liquid formulations of basic azo dyes | Michael Schmitt, Roland Merger | 2004-06-01 |
| 6727351 | Azoxy dyes and their Cu complexes | Karl-Heinz Etzbach, Rudiger Sens, Claudia Krah | 2004-04-27 |
| 6673206 | Method of producing paper, paperboard and cardboard | Friedrich Linhart, Bernd Dirks, Bernhard Mohr, Dietrich Fehringer | 2004-01-06 |