Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5455151 | Color photographic silver halide material | — | 1995-10-03 |
| 5354649 | Color photographic silver halide material | Peter Bell, Jurgen Haekel, Cuong Ly, Ralf Wichmann | 1994-10-11 |
| 5273870 | Color photographic negative recording material containing DIR compounds | Gunter Helling | 1993-12-28 |
| 5215875 | Color photographic recording material | Hans Vetter, Heinrich Odenwalder | 1993-06-01 |
| 5158864 | Color photographic material | Erich Wolff, Heinrich Odenwalder, Hans hlschlager | 1992-10-27 |
| 5108883 | Color photographic recording material | Erich W. Boon, Hans Langen | 1992-04-28 |
| 4985351 | Photographic recording material | Heinrich Odenwalder, Hans hlschlager, Erich Wolff | 1991-01-15 |
| 4977072 | Color photographic recording material containing color couplers | Gunter Renner | 1990-12-11 |
| 4963465 | Color photographic negative recording material | Ralf Buscher, Hans Langen | 1990-10-16 |
| 4906557 | Photographic recording material and process for the production of photographic images | Manfred Becker, Hans hlschlager | 1990-03-06 |
| 4830954 | Color photographic negative film | — | 1989-05-16 |
| 4820616 | Color photographic recording material | Manfred Becker, Heinrich Odenwalder, Hans-Joerg Metz | 1989-04-11 |
| 4770980 | Multilayer color photographic recording material wherein a red secondary sensitivity is produced in the blue and green layers | Erwin Ranz | 1988-09-13 |
| 4724197 | Color photographic recording material and a process for the production of color photographic images | Wolfgang Himmelmann, Gunter Helling | 1988-02-09 |
| 4636461 | Photographic recording material | Manfred Becker, Lothar Endres | 1987-01-13 |
| 4464464 | Color photographic recording material | Fritz Nittel, Johannes Sobel | 1984-08-07 |
| 4276372 | Photographic material with interimage effect | Ubbo Wernicke, Franz Moll | 1981-06-30 |