Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12163031 | Pigment preparations | Stephan Michaelis, Sabine Endert, Frank Linke | 2024-12-10 |
| 11193023 | Methine dyes | Sabine Schmauser, Sr., Frank Linke | 2021-12-07 |
| 10961396 | Methine dyes | Frank Linke, Stephan Michaelis | 2021-03-30 |
| 10808129 | Methine dyes | Stephan Michaelis, Frank Linke | 2020-10-20 |
| 10487211 | Methine dyes | Stephan Michaelis, Frank Linke | 2019-11-26 |
| 10435565 | Methine dyes | Stephan Michaelis, Frank Linke | 2019-10-08 |
| 10266697 | Yellow methine dyes | Frank Linke, Stephan Michaelis | 2019-04-23 |
| 10059844 | Metal azo pigments | Frank Linke, Sabine Endert | 2018-08-28 |
| 10023744 | Metal azo pigments | Frank Linke, Sabine Endert | 2018-07-17 |
| 10017644 | Metal azo pigments | Sabine Endert, Frank Linke | 2018-07-10 |
| 10017645 | Metal azo pigments | Sabine Endert, Frank Linke | 2018-07-10 |
| 10005909 | Metal azo pigments | Sabine Endert, Frank Linke | 2018-06-26 |
| 9663660 | Metal azo pigments | Stephan Michaelis, Frank Linke, Heinz-Josef Fuellman, Sabine Endert, Dirk Pfuetzenreuter | 2017-05-30 |
| 8932786 | Metal azo pigments and pigment preparations produced therefrom | Frank Linke, Heinz-Josef Fuellmann, Stephan Michaelis, Dirk Pfuetzenreuter, Sabine Endert | 2015-01-13 |
| 6498001 | Photographic silver halide emulsion | Peter Bergthaller, Jorg Siegel, Ralf Buscher, Ulrich Nickel | 2002-12-24 |
| 6498002 | Photographic silver halide material | Peter Bergthaller, Jorg Siegel | 2002-12-24 |
| 6498003 | Photographic silver halide material | Peter Bergthaller, Jorg Siegel | 2002-12-24 |
| 6451521 | Color-photography silver halide material | Peter Berthaller, Matthias Feigl | 2002-09-17 |
| 6261758 | Production of silver halide emulsions | Ralf Wirowski, Detlev Kapitza, Jorg Siegel, Peter Bergthaller, Heinrich Odenwalder | 2001-07-17 |
| 6093524 | Color photographic film | Rainer Scheerer, Lothar Endres, Lydia Simon, Thomas Stetzer, Peter Bell +2 more | 2000-07-25 |
| 6083675 | Color photographic recording material containing a non-diffusing, 2-equivalent coupler which, on coupling, forms a dye removable by rinsing | Peter Bell, Ralf Buscher, Jorg Siegel | 2000-07-04 |
| 6060227 | Color negative film | Ralf Buscher, Peter Bell, Lothar Rosenhahn, Jorg Siegel, Thomas Stetzer | 2000-05-09 |
| 6040125 | High-speed color photographic recording material having increased sensitivity in the blue spectral region | Jorg Siegel, Peter Bell, Ralf Buscher, Heinz Reif, Jurgen Jung | 2000-03-21 |
| 6033841 | Colour photographic silver halide material | Peter Bell, Ralf Buscher, Jorg Siegel, Rainer Scheerer, Heinz-Dieter Schutz | 2000-03-07 |
| 5922524 | Colour photographic recording material | Ralf Buscher, Peter Bell, Jorg Siegel, Johannes Willsau, Heinrich Odenwalder | 1999-07-13 |