Radiation imagery chemistry: process – composition – or product th – Color imaging process – Using identified radiation sensitive composition in the...
Patent
1987-07-10
1989-02-14
Shah, Mukund J.
Radiation imagery chemistry: process, composition, or product th
Color imaging process
Using identified radiation sensitive composition in the...
430372, 430386, 430387, 430428, 430430, 430460, 430554, 430555, G03C 700, G03C 544, G03C 732, G03C 742
Patent
active
048046175
ABSTRACT:
This invention provides a processing method for exposed silver halide color photosensitive materials, which enables sufficient desilverization to be performed in a short time and highly photographic quality to be obtained. The processing method of this invention comprises the steps of: exposing silver halide color photosensitive material containing 5-pyrazolone-type or pyrazoloazole-type 2-equivalent magenta coupler to light; color developing said photosensitive material; and desilverizing said photosensitive material, wherein said desilverizing step uses a bleaching bath containing ferric complex salt aminopolycarboxylate, and thereafter uses a bleaching-and-fixing bath containing ferric complex salt aminopolycarboxylate.
REFERENCES:
patent: 4040837 (1977-08-01), Sakamoto et al.
patent: 4463085 (1984-07-01), Mitsui et al.
patent: 4524129 (1985-06-01), Kishimoto et al.
patent: 4555479 (1985-11-01), Sakai et al.
patent: 4585728 (1986-04-01), Furutachi et al.
Abe Akira
Nishikawa Toshihiro
Fuji Photo Film Co. , Ltd.
Shah Mukund J.
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