Cyan dye-forming couplers and photographic elements and processe

Details Cyan dye-forming couplers and photographic elements and processe Cyan dye-forming couplers and photographic elements and processe

1986-04-28

1987-06-09

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Imaged product

Nonsilver image

562 35, 564 92, 564 99, 564153, 564158, 564202, G03C 140, C07C14374, C07C10320, C07C10334

Patent

active

046720138

ABSTRACT:
Cyan dye-forming 6-hydroxy-2H-1,4-benzoxazin-3-(4H)-one couplers, preferably cyan dye-forming couplers corresponding to the general formula: ##STR1## wherein R represents hydrogen or R"'--X--NH, R' represents hydrogen or a substituted or unsubstituted alkyl group, R" represents hydrogen or R.sup.iv --X--, X represents a member selected from the group consisting of --CO--, --SO.sub.2 --, --OCOCO--, --NHCO--, R"' and R.sup.iv 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.

REFERENCES:
patent: 4036643 (1977-07-01), Viro et al.
patent: 4591548 (1986-05-01), Delprato

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