Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6406528 | Use of improved cyan pigments in inkjet inks | Hans-Tobias Macholdt, Eduard Michel, Josef Geisenberger, Heidemarie Menzel, Andreas Harz | 2002-06-18 |
| 6391507 | Cyan pigments in electrophotographic toners and developers | Hans-Tobias Macholdt, Eduard Michel, Josef Geisenberger, Heidemarie Menzel, Andreas Harz | 2002-05-21 |