Photographic dye diffusion transfer process

Non-diffusible dye-providing components which may be used in association with a silver halide emulsion layer and on development yield diffusible yellow dyes of improved light fastness are cyanalkyl aminoazo dyes of the formula (I) in which A1 represents oxidizable carrier residue; D represents a het...

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Bibliographische Detailangaben
Hauptverfasser:	STOLZENBURG, RUDOLF, MARX, PAUL, PUSCHEL, WALTER
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES AUXILIARY PROCESSES IN PHOTOGRAPHY CHEMISTRY CINEMATOGRAPHY DYES ELECTROGRAPHY HETEROCYCLIC COMPOUNDS HOLOGRAPHY LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC CHEMISTRY ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS POLISHES
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Beschreibung
Zusammenfassung:	Non-diffusible dye-providing components which may be used in association with a silver halide emulsion layer and on development yield diffusible yellow dyes of improved light fastness are cyanalkyl aminoazo dyes of the formula (I) in which A1 represents oxidizable carrier residue; D represents a heterocyclic or carbocyclic aromatic residue completing an azo dye; and 1, m and n are 0 or 1 such that 1+m+n=1; and r represents an integer of from 1 to 4.