Laser color imaging method using a cyan dye coupler

Details Laser color imaging method using a cyan dye coupler Laser color imaging method using a cyan dye coupler

1993-02-19

1995-08-29

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Laser or radiation exposure other than visible light

430384, 430385, 430558, 430388, 430389, 430944, 430945, 430963, G03C 1035, G03C 140, G03C 736, G03C 7384

Patent

active

054459249

ABSTRACT:
There is disclosed a method for forming a color image using a silver halide color photographic material having three silver halide photosensitive layers on a support, comprising, in a cyan color-forming coupler-containing photosensitive layer, a cyan dye-forming coupler represented by formula (I) or (II), wherein said photographic material is exposed by a scanning exposure system and then is subjected to color development processing: ##STR1## wherein Za and Zb each represent --C(R.sub.3).dbd. or --N.dbd., provided that one of Za and Zb represents --N.dbd. and the other represents --C(R.sub.3).dbd.; R.sub.1 and R.sub.2 each represent an electron-attracting group; R.sub.3 represents a hydrogen atom or a substituent; and X represents a hydrogen atom or a coupling-off group, provided that R.sub.1, R.sub.2, R.sub.3, or X may be a divalent group, to form a dimer or higher polymer, or to bond to a polymer chain to form a homopolymer or copolymer.

REFERENCES:
patent: 4873183 (1989-10-01), Tachibana et al.
patent: 4910127 (1990-03-01), Sakai et al.
patent: 5057405 (1991-10-01), Shiba et al.
patent: 5256526 (1993-10-01), Suzuki et al.
patent: 5270153 (1993-12-01), Suzuki et al.

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