NUCLEATED HIGH CONTRAST PHOTOGRAPHIC ELEMENTS CONTAINING BALLASTED THIOETHER ISOTHIOUREAS TO INHIBIT PEPPER FOG AND RESTRAIN IMAGE SPREAD

Silver halide photographic elements which are capable of high contrast development and are especially useful in the field of graphic arts have incorporated therein a hydrazine compound which functions as a nucleator, an amino compound which functions as an incorporated booster, and a ballasted thioe...

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Bibliographische Detailangaben
Hauptverfasser:	MACHONKIN, HAROLD IHOR, KERR, DONALD LAURENS
Format:	Patent
Sprache:	eng ; fre ; ger
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:	Silver halide photographic elements which are capable of high contrast development and are especially useful in the field of graphic arts have incorporated therein a hydrazine compound which functions as a nucleator, an amino compound which functions as an incorporated booster, and a ballasted thioether isothiourea which functions to inhibit pepper fog and restrain image spread.