PHOTOGRAPHIC ELEMENT

PROBLEM TO BE SOLVED: To provide an improved photographic element including a compound functioning as a scavenger for an oxidized developing main ingredient. SOLUTION: An improved photographic element includes a support having at least one silver halide emulsion layer combined with a pyrocatechol co...

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Hauptverfasser:	RONARUDO EDOMANDO REON, SUTEIIBUN POORU SHINGAA
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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creator	RONARUDO EDOMANDO REON SUTEIIBUN POORU SHINGAA
description	PROBLEM TO BE SOLVED: To provide an improved photographic element including a compound functioning as a scavenger for an oxidized developing main ingredient. SOLUTION: An improved photographic element includes a support having at least one silver halide emulsion layer combined with a pyrocatechol compound functioning as a scavenger for an oxidized developing main ingredient. The pyrocatechol compound is substantially non-diffusible in the photographic element so as to have enough bulk and the tertiary carbamoyl substitutlonal group. The scavenger compounds show very high activity and has excellent stability in long-time preservation, and after processing, it does not leave colored residual material.
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SOLUTION: An improved photographic element includes a support having at least one silver halide emulsion layer combined with a pyrocatechol compound functioning as a scavenger for an oxidized developing main ingredient. The pyrocatechol compound is substantially non-diffusible in the photographic element so as to have enough bulk and the tertiary carbamoyl substitutlonal group. 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subjects	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
title	PHOTOGRAPHIC ELEMENT
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