PHOTOGRAPHIC ELEMENT

PROBLEM TO BE SOLVED: To provide a photographic element having simultaneously improved speed and contrast. SOLUTION: A fragmentable electron donor is added to an emulsion containing 3D core/shell grains and a one-equivalent coupler is used in a layer containing the grains.

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Bibliographische Detailangaben
Hauptverfasser: EIKENBERRY JON NATHAN, SOUTHBY DAVID THOMAS
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a photographic element having simultaneously improved speed and contrast. SOLUTION: A fragmentable electron donor is added to an emulsion containing 3D core/shell grains and a one-equivalent coupler is used in a layer containing the grains.