PHOTOGRAPHIC PRODUCTS AND PROCESSES EMPLOYING NOVEL NONDIFFUSIBLE 6-ARYLAZO-3-PYRIDINOL MAGENTA DYE- RELEASING COMPOUNDS AND PRECURSORS THEREOF

Photographic elements, diffusion transfer assemblages and processes are described which employ a novel nondiffusible compound having a releasable 6-arylazo-3-pyridinol magenta dye moiety or precursor thereof having the formula: wherein: (a) R represents hydroxy or amino; (b) R1 represents hydrogen,...

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Bibliographic Details
Main Authors RECZEK, JAMES A, CHAPMAN, DEREK D
Format Patent
LanguageEnglish
French
Published 12.06.1984
Edition3
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
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Summary:Photographic elements, diffusion transfer assemblages and processes are described which employ a novel nondiffusible compound having a releasable 6-arylazo-3-pyridinol magenta dye moiety or precursor thereof having the formula: wherein: (a) R represents hydroxy or amino; (b) R1 represents hydrogen, a hydrolyzable moiety or CAR; (c) G represents carboxy; a hydrolyzable ester or a sulfamoyl group; (d) CAR represents a ballasted carrier moiety capable of releasing the diffusible 6-arylazo-3-pyridinol dye moiety or precursor thereof under alkaline conditions; and (e) n is 0, 1 or 2, with the proviso that when n is 0, then R1 is CAR.
Bibliography:Application Number: CA19810381130