Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6465659 | Process for preparing asymmetrical methine dyes | Karl-Heinz Reinhardt, Christoph Thiebes | 2002-10-15 |
| 6420576 | Preparation of arylaminohydroxyanthraquinones | Stephan Michaelis | 2002-07-16 |