Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6900005 | Color photographic print material | Markus Geiger, Axel Jochum | 2005-05-31 |
| 6890707 | Color photographic print material | Markus Geiger, Cuong Ly, Klaus Sinzger, Beate Weber, Heinz Wiesen | 2005-05-10 |
| 6806042 | Color photographic print material | Markus Geiger, Cuong Ly, Klaus Sinzger, Beate Weber, Heinz Wiesen | 2004-10-19 |
| 6783924 | Colour photographic silver halide material | Markus Geiger, Cuong Ly, Klaus Sinzger, Beate Weber, Heinz Wiesen | 2004-08-31 |
| 6764815 | Color photographic print material | — | 2004-07-20 |
| 6689552 | Color photographic silver halide material | Cuong Ly, Edgar Draber, Matthias Feigl, Gunter Helling, Thomas Kaluschke +4 more | 2004-02-10 |
| 6558887 | Color photographic silver halide material | Gunter Helling | 2003-05-06 |
| 6534254 | Color photographic print material | Gunter Helling, Siegfried Dzwonnek | 2003-03-18 |
| 6045989 | Color photographic silver halide material | Cuong Ly | 2000-04-04 |
| 6010838 | Color photographic silver halide material | Michael Missfeldt, Markus Geiger | 2000-01-04 |
| 5976772 | Bleach-fixing bath for color photographic material | Thomas Hubsch, Angelika Scholkmann, Erika Spriewald | 1999-11-02 |
| 5362615 | Photographic recording material containing a hydroquinone diether compound | Jorg Hagemann, Erich Wolff, Johannes Sobel | 1994-11-08 |
| 5354826 | Polymeric magenta coupler and color photographic recording material that contains this polymeric magenta coupler | Gunter Helling, Rainer Bialek | 1994-10-11 |