PHOTOGRAPHIC MATERIAL AND PROCESS

PHOTOGRAPHIC MATERIAL AND PROCESS Photographic compound (A) capable of releasing a development inhibitor group by means of a displacement reaction enables increased image acutance when the compound contains in a coupling position a coupling-off group represented by the formula: wherein X, R1, R2, R3...

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Bibliographic Details
Main Authors BEGLEY, WILLIAM J, CHEN, TEH-HSUAN
Format Patent
LanguageEnglish
French
Published 23.08.1991
Edition5
Subjects
AUXILIARY PROCESSES IN PHOTOGRAPHY
CHEMISTRY
CINEMATOGRAPHY
ELECTROGRAPHY
HETEROCYCLIC COMPOUNDS
HOLOGRAPHY
METALLURGY
ORGANIC CHEMISTRY
PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES
PHOTOGRAPHY
PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES
PHYSICS
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Summary:PHOTOGRAPHIC MATERIAL AND PROCESS Photographic compound (A) capable of releasing a development inhibitor group by means of a displacement reaction enables increased image acutance when the compound contains in a coupling position a coupling-off group represented by the formula: wherein X, R1, R2, R3, R4, and Q are as defined in the application. Such a compound (A) is useful in a photographic silver halide material and process.
Bibliography:Application Number: CA19912036037