Photographic element containing an azopyrazolone masking coupler exhibiting reduced fogging

Photographic element containing an azopyrazolone masking coupler exhibiting reduced fogging

A photographic element and imaging process used therewith provides reduced fogging where the element comprises a light sensitive silver halide layer containing (1) an azopyrazolone masking coupler and (2) a ballasted aromatic nitro compound having a reduction peak potential which is more positive th...

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Hauptverfasser: YOUNATHAN, JANET NADYA, SINGER, STEPHEN PAUL, KAPP, DANIEL LAWRENCE, ROSS, ROBERT JOHN
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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creator YOUNATHAN, JANET NADYA
SINGER, STEPHEN PAUL
KAPP, DANIEL LAWRENCE
ROSS, ROBERT JOHN
description A photographic element and imaging process used therewith provides reduced fogging where the element comprises a light sensitive silver halide layer containing (1) an azopyrazolone masking coupler and (2) a ballasted aromatic nitro compound having a reduction peak potential which is more positive than -1.3 V vs. the Standard Calomel Electrode.
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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 containing an azopyrazolone masking coupler exhibiting reduced fogging
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