Method for processing silver halide photographic lightsensitive

Details Method for processing silver halide photographic lightsensitive Method for processing silver halide photographic lightsensitive

1988-02-10

1989-08-08

Shah, Mukund J.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Stabilizing

430372, 430393, 430401, 430421, 430430, 430467, 430490, 430491, G03C 524, G03C 740, G03C 700, G03C 544

Patent

active

048552186

ABSTRACT:
A method for processing silver halide photographic lightsensitive material in which there are used replenishers for water washing and/or stabilization processes in such manner that the concentrations of calcium and magnesium compounds present in the replenishers are not more than 5 mg/l on the basis of elemental calcium and magnesium respectively, and a part or whole of the overflow from the water washing and/or stabilization process is introduced into a process preceding the water washing and/or stabilization processes. This method makes it possible to save water, to diminish the amount of waste liquor and to make effective use of components contained in processing solutions, without impairing any properties of lightsensitive materials to be processed.

REFERENCES:
patent: 3647462 (1972-03-01), Surash et al.
patent: 4336324 (1982-01-01), Koboshi et al.
patent: 4618569 (1986-10-01), Kurematsu et al.
patent: 4764453 (1988-08-01), Koboshi et al.
H. P. Gregor, "Application of Ion Exchange Resins in Photographic Processing", 1951, Phot. Eng., vol. 2, No. 3, pp. 102-109.
J. H. Priesthoff, "Improved Technique for Ion-Exchange Recovery of Eastman Color Developers", 1957, Journal of the SMPTE, vol. 66.
L. E. West, "The Quality of Water for Photographic Processing", Photographic Science & Eng., vol. 3, No. 6, Nov. Dec. 1959, 283-287.

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