Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693449 | Process for the production of a multicolored image and photosensitive material for carrying out this process | Stephan J. W. Platzer, Wojciech A. Wilczak, Gerhard Buhr | 1997-12-02 |
| 5637438 | Photosensitive material and production of metal-colored images utilizing pearl luster pigment | Karin Maerz, Silvia Neumann | 1997-06-10 |
| 5627009 | Process for the production of a multicolored image | Karin Maerz, Ine Gramm, Manfred Hilger, Stephan J. W. Platzer | 1997-05-06 |