Method for bleaching color photographic material

Details Method for bleaching color photographic material Method for bleaching color photographic material

1988-09-22

1989-04-18

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430430, 430461, G03C 544

Patent

active

048227250

ABSTRACT:
A method for processing a silver halide color photographic material is described which comprises subjecting an imagewise exposed silver halide color photographic material to color development and then bleaching the developed color photographic material with a bleaching solution containing a ferric salt of an aminopolycarboxylic acid, wherein the bleaching solution additionally contains at least one compound represented by the following general formula (I) or (II) ##STR1## wherein R.sub.1 and R.sub.2 are identical or different and each represents a hydrogen atom or a methyl or ethyl group, and n represents an integer of 1 to 3, and wherein the oxidation reduction potential of the bleaching solution is adjusted to not more than 100 mV.

REFERENCES:
patent: 3772020 (1973-11-01), Smith
patent: 3893858 (1975-07-01), Wabnitz
patent: 4268618 (1981-05-01), Hashimura
patent: 4293636 (1981-10-01), Itoh et al.
patent: 4293639 (1981-10-01), Itoh et al.
patent: 4458010 (1984-07-01), Yamamuro et al.
patent: 4506007 (1985-03-01), Nakajima et al.
patent: 4546070 (1985-10-01), Kishimoto et al.

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