PHOTOGRAPHIC ELEMENT AND PROCESS

PHOTOGRAPHIC ELEMENT AND PROCESS Novel pyrazoloazole dye-forming couplers containing at least one polyether group (A) comprising at least three ether (-O-) groups and terminated by a hydroxy, carboxy or sulfonamido group enables increased reactivity of the coupler in a photographic element and proce...

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Bibliographic Details
Main Authors ROMANET, ROBERT F, NORMANDIN, SHARON E, BOWNE, ARLYCE T
Format Patent
LanguageEnglish
French
Published 30.04.1990
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 ELEMENT AND PROCESS Novel pyrazoloazole dye-forming couplers containing at least one polyether group (A) comprising at least three ether (-O-) groups and terminated by a hydroxy, carboxy or sulfonamido group enables increased reactivity of the coupler in a photographic element and process. The couplers are useful in color photographic silver halide materials and processes.
Bibliography:Application Number: CA19892000931