Xanthate salts as chemical sensitizers for silver halides

The invention is generally accomplished providing to a method of sensitizing silver halide grains comprising providing a silver halide grain and bringing said grain into contact with a compound of Formula I,C+{S2COR}-Formula Iwhere C is NH4+, AR'4+ or M+A is N, P, or As R' is alkyl or aryl...

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Bibliographische Detailangaben
Hauptverfasser:	LUSHINGTON, KENNETH JAMES, GYSLING, HENRY JAMES
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS
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Beschreibung
Zusammenfassung:	The invention is generally accomplished providing to a method of sensitizing silver halide grains comprising providing a silver halide grain and bringing said grain into contact with a compound of Formula I,C+{S2COR}-Formula Iwhere C is NH4+, AR'4+ or M+A is N, P, or As R' is alkyl or aryl M is Li, Na, or K, and R is alkyl or aryl.