Photographic light-sensitive material with reducible photographi

Details Photographic light-sensitive material with reducible photographi Photographic light-sensitive material with reducible photographi

1984-10-15

1986-06-10

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430212, 430218, 430219, 430223, 430564, 430566, 430607, 430611, 430621, G03C 140, G03C 554, G03C 142, G03C 106

Patent

active

045943168

ABSTRACT:
A silver halide photographic light-sensitive material is described, comprising a support having provided thereon at least one light-sensitive silver halide emulsion layer associated with a substantially immobile, positive one-equivalent redox compound capable of releasing a photographically useful compound or a precursor thereof as a result of a redox reaction, said compound being represented by formula (I) ##STR1## wherein Acp represents an anion center precursor capable of causing --Z--Q to be released by a quinonemethide type releasing reaction when being reduced R.sup.1 and R.sup.2 each represents a hydrogen atom, a substituted or unsubstituted aryl group; Z represents a divalent atomic group; Q represents a group capable of becoming a photographically useful compound or a precursor thereof when released, provided that Q does not contain an atom or atomic group which functions as an electrophilic center that induces an intramolecular substitution reaction; Ball represents a ballast group; M represents a substituent; A represents an organic group which connects Acp, ##STR2## M, and Ball; and n and m each represents an integer of 1 or more.

REFERENCES:
patent: 4139379 (1979-02-01), Chasman et al.
patent: 4232107 (1980-11-01), Janssens
patent: 4371604 (1983-02-01), Van de Sande et al.
patent: 4477554 (1984-10-01), Van de Sande et al.
Van de Sande et al., "Compounds for Use in a Dye Diffusion Transfer Process . . . " Research Disclosure, No. 24025, 4/1985.

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