Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784286 | Transparent greenish yellow pyrazolone pigments | Günter Smeyts, Paul Gunthert | 2004-08-31 |
| 6784301 | Perylene-derivative based crystallization modifiers | Claus Hackmann, Paul Gunthert, Anton Dotter | 2004-08-31 |