Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5134059 | Color photographic recording material containing color couplers | Friedrich-Wilhelm Kunitz | 1992-07-28 |
| 5002864 | Color photographic recording material containing 2-equivalent magenta couplers | Gunter Renner | 1991-03-26 |
| 4855222 | Color photographic recording material | Gunter Renner, Erich Wolff, Heinz Wiesen | 1989-08-08 |
| 4755452 | Color photographic recording material and a process for the production of photographic images | Hans Vetter | 1988-07-05 |
| 4656125 | Photographic recording material | Gunter Renner | 1987-04-07 |
| 4396707 | Photographic material, process for the production thereof, process for the production of photographic images and new triazoles | Anita von Konig, Wilhelm Saleck | 1983-08-02 |
| 4379828 | Image receptor element for the dye diffusion transfer process | Karl Lohmer, Willibald Pelz | 1983-04-12 |
| 4277557 | Photographic material containing a stabilizing agent | Gerhard Jager, Anita von Konig, Armin Voigt | 1981-07-07 |
| 4260674 | Silver salt photographic material for the production of silver and bubble photographic images with 80% transparency | Edith Weyde, Anita von Konig | 1981-04-07 |