Cyan dye-forming couplers

Cyan dye-forming 6-hydroxy-2H-1,4-benzoxazin-3-(4H)-one couplers, preferably cyan dye-forming couplers corresponding to the general formula:wherein R represents hydrogen or R"'-X-NH, R' represents hydrogen or a substituted or unsubstituted alkyl group, R" represents hydrogen or R...

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Bibliographic Details
Main Author DELPRATO; IVANO
Format Patent
LanguageEnglish
Published 09.08.1988
Edition4
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
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:Cyan dye-forming 6-hydroxy-2H-1,4-benzoxazin-3-(4H)-one couplers, preferably cyan dye-forming couplers corresponding to the general formula:wherein R represents hydrogen or R"'-X-NH, R' represents hydrogen or a substituted or unsubstituted alkyl group, R" represents hydrogen or Riv-X-, X represents a member selected from the group consisting of -CO-, -S02-, -OCOCO-, -NHCO-, R"' and Riv represent a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group and Y and Z, the same or different, represent hydrogen, halogen and a substituted or unsubstituted alkyl or alkoxy group, are described for use in silver halide color photographic processes and elements.
Bibliography:Application Number: US19870023782