Direct positive color light-sensitive material

Details Direct positive color light-sensitive material Direct positive color light-sensitive material

1988-08-15

1991-02-19

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430378, 430504, 430505, 430571, 430598, 430955, G03C 1485, G03C 146, G03C 718

Patent

active

049943588

ABSTRACT:
A direct positive color light-sensitive material is disclosed, which comprises a support having thereon at least one internal latent image-forming silver halide emulsion layer containing non-prefogged silver halide grains and which contains at least one color image-forming coupler capable of producing or releasing a non-diffusible or diffusible dye upon oxidative coupling with a color developing agent, with at least one layer different from the internal latent image-forming silver halide emulsion layer containing a surface latent image-forming, negative-working silver halide emulsion and with at least one of the negative-working silver halide emulsion layer and an interlayer adjacent thereto containing at least one compound capable of releasing a fogging agent, a fogging agent precursor, a development promoter or a development promoter precursor in proportion to the amount of developed silver of the negative-working silver halide emulsion upon development processing using an aromatic primary amine developing agent.

REFERENCES:
patent: 3846128 (1974-11-01), Thomas et al.
patent: 4358528 (1982-11-01), Takagi et al.
patent: 4390618 (1983-06-01), Kobayashi et al.
patent: 4656123 (1987-04-01), Mihayashi et al.

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