Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5258268 | Photochemicals with reduced dust formation | Karl-Heinz Reuter, Manfred Reichrath | 1993-11-02 |
| 5238791 | Bleaching bath | Gustav Tappe, Ralf Wichmann | 1993-08-24 |
| 5149618 | Bleach fixing process | Gustav Tappe, Ralf Wichmann, Edgar Draber | 1992-09-22 |
| 5135840 | Granulated photochemicals | Karl-Heinz Reuter | 1992-08-04 |
| 5021326 | Process for rapidly processing a color photography material | Karl-Heinz Reuter, Rudolf Tromnau | 1991-06-04 |
| 5004676 | Process for the production of color photographic images comprising replenishing the developing solution | Sieghart Klotzer, Erich Wolff, Helmut Haseler | 1991-04-02 |
| 4987059 | Process for stabilizing photographic silver images | Werner Berthold, Helmut Haseler, Paul Marx, Hans hischlager | 1991-01-22 |
| 4987058 | Photographic processing method | Erika Spriewald, Gustav Tappe | 1991-01-22 |
| 4939075 | Bleaching baths containing bleaching accelerators | Peter Bergthaller, Helmut Haseler | 1990-07-03 |
| 4933264 | Process for processing a color photographic material | Helmut Haseler, Gustav Tappe | 1990-06-12 |
| 4855216 | No-rinse photographic processing method and the stabilizing bath used for this method | Erika Spriewald, Gunter Renner | 1989-08-08 |
| 4687577 | Container for the purification of liquids | Karl-Heinz Reuter | 1987-08-18 |
| 4680123 | Regeneration of spent developers | Ubbo Wernicke, Hans-Gunter Donner, Jurgen Frosch | 1987-07-14 |
| 4664799 | Receiver for purifying liquids | Erika Spriewald, Wilhelm Eder | 1987-05-12 |
| 4636460 | Photographic recording material and process for the production of photographic images | Helmut Kampfer, Helmut Haseler | 1987-01-13 |
| 4632763 | Process for treating photographic washing waters | Ubbo Wernicke | 1986-12-30 |
| 4457495 | Apparatus for the automatic recovery of silver from argentiferous wash waters | Wilhelm Eder, Hans Hofmann, Joachim Kloeppel, Josef Busch | 1984-07-03 |
| 4348475 | Process for the production of photographic images | Ubbo Wernicke | 1982-09-07 |
| 4335956 | Method and apparatus for adjusting associated photographic copying and developing machines | Gunter Findeis, Berthold Fergg, Viktor Osegowitsch, Hans-Peter Huber | 1982-06-22 |
| 4297438 | Color-photographic development process | Helmut Haseler, Karl Lohmer, Willibald Pelz | 1981-10-27 |
| 4186007 | Regeneration of spent color developers | Karl Lohmer | 1980-01-29 |