Image-forming process comprising bleaching at low pH a material

Details Image-forming process comprising bleaching at low pH a material Image-forming process comprising bleaching at low pH a material

1988-06-20

1990-07-31

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430430, 430438, 430461, 430481, 430551, 430552, 430553, 430607, G03C 538, G03C 732, G03C 734

Patent

active

049450310

ABSTRACT:
An image-forming process, which comprises subjecting a multilayer silver halide color photographic material containing, in an oil droplet dispersion in a light-sensitive layer provided on a support, at least one of the diffusion-resistant oil-soluble couplers capable of coupling with an oxidation product of an aromatic primary amine developing agent to form a substantially non-diffusible cyan dye represented by the following formula (I) and at least one member selected from the compounds represented by the following formulae (II) and (III), to imagewise exposure and color development, and then processing the multilayer silver halide photographic material with a bleaching or bleach-fixing solution having a pH of 6.3 or less: ##STR1## wherein: Y represents --NHCO-- or --CONH--;

REFERENCES:
patent: 4277553 (1981-07-01), Onodera et al.
patent: 4277558 (1981-07-01), Kikuchi et al.
patent: 4587210 (1986-05-01), Ono et al.
patent: 4621047 (1986-11-01), Kishimoto et al.
patent: 4745048 (1988-05-01), Kishimoto et al.
patent: 4769312 (1988-09-01), Kishimoto et al.
James, T. H., The Theory of Photographic Process, 1977, pp. 450-453.

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