Photographic light-sensitive material with nucleophilic displace

Details Photographic light-sensitive material with nucleophilic displace Photographic light-sensitive material with nucleophilic displace

1984-04-06

1985-11-05

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430203, 430223, 430224, 430542, G03C 140, G03C 554

Patent

active

045514232

ABSTRACT:
A photographic light-sensitive material comprising a support having provided thereon at least one light-sensitive silver halide emulsion layer in combination with an immobile LDA compound represented by the following general formula (I): ##STR1## wherein n, x, y and z each stands for an integer of 1 or 2; m stands for an integer of 1 or more; D stands for a group containing an electron donor or its precursor moiety; A stands for an organic group linking Nup to --E--Q--Col or D; Nup stands for a precursor of a nucleophilic group; E stands for an electrophilic center; Q is a divalent group; Col stands for a group containing a dye or its precursor moiety; Ball stands for a ballast group; L stands for a linking group; and M stands for an optional substituent, said LDA compound being capable of releasing a diffusible dye or its precursor upon redox reaction.

REFERENCES:
patent: 4139379 (1979-02-01), Chasman et al.
patent: 4139389 (1979-02-01), Hinshaw et al.
patent: 4199355 (1980-04-01), Hinshaw et al.
patent: 4263393 (1981-04-01), Chen
patent: 4381339 (1983-04-01), Renner et al.

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