Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6890707 | Color photographic print material | Ralf Weimann, Markus Geiger, Cuong Ly, Klaus Sinzger, Beate Weber | 2005-05-10 |
| 6806042 | Color photographic print material | Ralf Weimann, Markus Geiger, Cuong Ly, Klaus Sinzger, Beate Weber | 2004-10-19 |
| 6783924 | Colour photographic silver halide material | Ralf Weimann, Markus Geiger, Cuong Ly, Klaus Sinzger, Beate Weber | 2004-08-31 |
| 6689552 | Color photographic silver halide material | Cuong Ly, Edgar Draber, Matthias Feigl, Gunter Helling, Thomas Kaluschke +4 more | 2004-02-10 |
| 6548238 | Color photographic recording material | Beate Weber, Bernd Spachmann | 2003-04-15 |
| 6379879 | Color photographic silver halide material | Jorg Hagemann, Gunter Helling, Ralf Wirowski, Ralf Buscher | 2002-04-30 |
| 6297385 | Acetanilide couplers | Uwe Dahlhaus, Hans Langen | 2001-10-02 |
| 6242169 | Color photographic material | Jorg Hagemann, Gunter Helling | 2001-06-05 |
| 6218097 | Color photographic silver halide material | Peter Bell, Ralf Buscher, Lothar Rosenhahn, Ralf Wirowski | 2001-04-17 |
| 4873338 | Process for the preparation of 2-amino-5-acylamino phenols and starting compounds suitable therefor | Erich Wolff | 1989-10-10 |
| 4855222 | Color photographic recording material | Gunter Renner, Erich Wolff, Werner Liebe | 1989-08-08 |