Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689552 | Color photographic silver halide material | Cuong Ly, Edgar Draber, Matthias Feigl, Gunter Helling, Michael Missfeldt +4 more | 2004-02-10 |
| 5665532 | Black and white paper with variable gradation | Manfred Peters, Hans Ohlschlager, Bruno Mucke | 1997-09-09 |
| 4877722 | Color photographic recording material developable by heat | Manfred Peters, Manfred Becker, Kaspar Wingender, Sieghart Klotzer | 1989-10-31 |
| 4847179 | Photographic dye diffusion transfer process and color photographic recording material suitable for this process | Immo Boie, Manfred Peters, Wolfgang Himmelmann, Gunther Schenk, Kaspar Wingender +1 more | 1989-07-11 |
| 4840871 | Color photographic heat development process | Manfred Peters, Hans hlschlager, Kaspar Wingender, Gunther Schenk, Immo Boie | 1989-06-20 |
| 4429033 | Process for the production of color prints by the dye-diffusion transfer process | Immo Boie, Manfred Peters | 1984-01-31 |