AZO DYES, AZO DYE-RELEASING COMPOUNDS AND PHOTOGRAPHIC PRODUCTS AND PROCESSES EMPLOYING THEM

Photographic elements, diffusion transfer assemblages and processes are described which employ a novel nondiffusible compound having a novel releasable azo dye. The dyes are azophenols, or precursors of azophenols, and have electron withdrawing groups in each of the position ortho to the phenolic hy...

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Bibliographische Detailangaben
Hauptverfasser:	ROBBINS, JERRY M, LANDHOLM, RICHARD A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES AUXILIARY PROCESSES IN PHOTOGRAPHY CHEMISTRY CINEMATOGRAPHY DYES ELECTROGRAPHY HOLOGRAPHY LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS 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:	Photographic elements, diffusion transfer assemblages and processes are described which employ a novel nondiffusible compound having a novel releasable azo dye. The dyes are azophenols, or precursors of azophenols, and have electron withdrawing groups in each of the position ortho to the phenolic hydroxy group.