Photographisches Material und Verfahren enthaltend einen bicyclischen Pyrazolo-Kuppler
Novel bicyclic pyrazolo couplers containing a ballast group of formula (I): are useful in photographic materials and processes. The couplers exhibit increased coupling activity, and provide formation of dyes having improved maximum magenta image dye density, contrast, and development speed when empl...
Gespeichert in:
Hauptverfasser: | , |
---|---|
Format: | Patent |
Sprache: | ger |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | Novel bicyclic pyrazolo couplers containing a ballast group of formula (I): are useful in photographic materials and processes. The couplers exhibit increased coupling activity, and provide formation of dyes having improved maximum magenta image dye density, contrast, and development speed when employed in color photographic materials and processes. |
---|