Photographic element containing an azopyrazolone masking coupler exhibiting improved keeping
The invention provides a photographic process and element where the element comprises a light sensitive silver halide layer containing (1) an image dye-forming bicyclic azole coupler having bonded to the coupling site a group other than hydrogen which is cleavable during the development process; (2)...
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Format: | Patent |
| Sprache: | eng ; fre ; ger |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | The invention provides a photographic process and element where the element comprises a light sensitive silver halide layer containing (1) an image dye-forming bicyclic azole coupler having bonded to the coupling site a group other than hydrogen which is cleavable during the development process; (2) an azopyrazolone masking coupler; and (3) a stabilizing coupler having bonded to the coupling site only hydrogen atoms. |
|---|