Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498001 | Photographic silver halide emulsion | Peter Bergthaller, Hans-Ulrich Borst, Ralf Buscher, Ulrich Nickel | 2002-12-24 |
| 6498002 | Photographic silver halide material | Peter Bergthaller, Hans-Ulrich Borst | 2002-12-24 |
| 6498003 | Photographic silver halide material | Peter Bergthaller, Hans-Ulrich Borst | 2002-12-24 |
| 6261758 | Production of silver halide emulsions | Ralf Wirowski, Hans-Ulrich Borst, Detlev Kapitza, Peter Bergthaller, Heinrich Odenwalder | 2001-07-17 |
| 6083675 | Color photographic recording material containing a non-diffusing, 2-equivalent coupler which, on coupling, forms a dye removable by rinsing | Peter Bell, Hans-Ulrich Borst, Ralf Buscher | 2000-07-04 |
| 6060227 | Color negative film | Ralf Buscher, Peter Bell, Hans-Ulrich Borst, Lothar Rosenhahn, Thomas Stetzer | 2000-05-09 |
| 6040125 | High-speed color photographic recording material having increased sensitivity in the blue spectral region | Hans-Ulrich Borst, Peter Bell, Ralf Buscher, Heinz Reif, Jurgen Jung | 2000-03-21 |
| 6033841 | Colour photographic silver halide material | Peter Bell, Hans-Ulrich Borst, Ralf Buscher, Rainer Scheerer, Heinz-Dieter Schutz | 2000-03-07 |
| 5922524 | Colour photographic recording material | Ralf Buscher, Peter Bell, Hans-Ulrich Borst, Johannes Willsau, Heinrich Odenwalder | 1999-07-13 |
| 5888717 | Photographic silver halide emulsion | Peter Bergthaller, Hans-Ulrich Borst | 1999-03-30 |
| 5853971 | Color photographic silver halide material | Peter Bell, Hans-Ulrich Borst, Ralf Buscher, Johannes Willsau | 1998-12-29 |
| 5821044 | Photographic silver halide emulsions | Peter Bergthaller, Hans-Ulrich Borst, Michael Missfeldt | 1998-10-13 |