Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6953846 | Pyridone dyes, a process for their preparation and their use in the production of colored plastics or polymeric color particles | Athanassios Tzikas, Urs Lauk, Romeo Dreier | 2005-10-11 |
| 6906195 | Pyridone dyes, a process for the preparation and their use in the production of colored plastics or polymeric color particles | Athanassios Tzikas, Urs Lauk, Romeo Dreier | 2005-06-14 |