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
Schlagworte:	AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HOLOGRAPHY PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS
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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.