Processing solution having bleaching ability for light-sensitive

Details Processing solution having bleaching ability for light-sensitive Processing solution having bleaching ability for light-sensitive

1984-06-14

1986-01-07

Downey, Mary F.

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

Fixer

430461, 430393, 430430, G03C 538

Patent

active

045634050

ABSTRACT:
Disclosed is a bleaching solution or bleach-fixing solution for a light-sensitive silver halide photographic material, which comprises an oxidizing agent comprising a diethylenetriaminepentaacetic acid iron (III) complex salt, and at least one metal ion selected from the group consisting of nickel, cobalt, zinc, cerium, ruthenium, yttrium, samarium, magnesium, calcium, bismuth, strontium, manganese, aluminum, tin, barium, indium, thallium and zirconium. In another embodiment, the solution may further contain a chelating agent other than diethylenetriaminepentaacetic acid.

REFERENCES:
patent: 3773510 (1973-11-01), Fisch
patent: 3960565 (1976-06-01), Fisch et al.
patent: 4040838 (1977-08-01), Yamaguchi
patent: 4430243 (1984-02-01), Bragg

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