Radiation imagery chemistry: process – composition – or product th – Color imaging process – Stabilizing
Patent
1991-07-09
1992-12-22
Le, Hoa Van
Radiation imagery chemistry: process, composition, or product th
Color imaging process
Stabilizing
430393, 430421, 430428, 430430, 430460, 430963, G03C 740
Patent
active
051733943
ABSTRACT:
A method for continuously processing an imagewise exposed silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, comprising the steps of developing with a color developer, bleaching with a processing bath having a bleaching ability comprising a bleaching agent in a concentration of at least 0.15 mol/liter, water washing and/or stabilizing with at least two sequential processing tanks, and drying the thus processed photographic material, wherein the equilibrium iron concentration of the processing solution in the tank immediately preceding the final tank of the water washing and/or stabilizing step is from 100 to 500 ppm and the equilibrium iron concentration is at least seven times that of the processing solution in the final tank of the water washing and/or stabilizing step, and the time from the start of the bleaching step to the completion of the water washing and/or stabilizing step is not more than 65 seconds.
REFERENCES:
patent: 4681835 (1987-07-01), Ishikawa et al.
patent: 4778748 (1988-10-01), Kuse et al.
patent: 5063139 (1991-11-01), Hayashi
Fuji Photo Film Co. , Ltd.
Le Hoa Van
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