Process for stabilizing silver images

Radiation imagery chemistry: process – composition – or product th – Post imaging processing – Stabilizing

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Details

430429, 430455, 430352, G03C 524, G03C 538

Patent

active

045006326

ABSTRACT:
A process for stabilizing a silver image is disclosed. The process is utilized in connection with a photographic material which is comprised of a water impermeable support having one or more light-sensitive silver halide emulsion layers thereon. After the photographic material is exposed and developed it is subjected to further processing by conventional means. However, within the further processing an aqueous solution is utilized which includes any compounds represented by the general formula (I), (II) or (III) as defined within the specification. The compound(s) represented by the general formula is/are generally present within the processing solution in a total amount of about 0.1 to 10 g/l of processing solution. By utilizing the aqueous solution containing the compound represented by the general formula within the processing, it is possible to greatly increase the stability of the silver image formed.

REFERENCES:
patent: 3220839 (1965-11-01), Herz et al.
patent: 3565621 (1971-02-01), Tsuchida et al.
patent: 3617283 (1971-11-01), Ohi et al.
patent: 3627531 (1971-12-01), Nishio et al.
patent: 4230792 (1980-10-01), Tsubai et al.
patent: 4322493 (1982-03-01), Shibaoka et al.
Research Disclosure, Sep. 1972, #10141, pp. 62-63.

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