| 6228568 |
Color photographic recording material |
Thomas Stetzer, Hans Langen, Heinz-Dieter Schutz, Hans-Joachim Schumann, Klaus Sinzger +2 more |
2001-05-08 |
| 5200306 |
Color photographic recording material containing a coupler which releases a photographically active compound |
Heinrich Odenwalder, Hans Vetter, Peter Bergthaller |
1993-04-06 |
| 5021330 |
Color photographic recording material containing a coupler releasing a photographically active compound |
Peter Bergthaller, Thomas Krüger, Rudolf Stolzenburg |
1991-06-04 |
| 4897341 |
Color photographic recording material containing a dir-coupler |
Heinrich Odenwalder, Hans Ohlschlager, Friedrich-Wilhelm Kunitz |
1990-01-30 |
| 4870000 |
Color photograhic recording material containing a coupler which releases a photographically active compound |
Peter Bergthaller, Rudolf Stolzenburg |
1989-09-26 |
| 4840880 |
Color photographic recording material containing a yellow DIR coupler |
Hans Ohlschlager, Gunter Renner, Friedrich-Wilhelm Kunitz, Heinrich Odenwalder |
1989-06-20 |
| 4833070 |
Color photographic recording material containing a yellow DIR coupler |
Friedrich-Wilhelm Kunitz, Hans hlschlager, Heinrich Odenwalder |
1989-05-23 |