Inhibitor barrier layers for photographic materials

Details Inhibitor barrier layers for photographic materials Inhibitor barrier layers for photographic materials

1975-11-13

1977-10-25

Klein, David

Gas separation: apparatus

Electric field separation apparatus

With nonelectrical gas treating or conditioning means

96 76R, 427407R, G03C 176, G03C 148, G03C 184

Patent

active

040554295

ABSTRACT:
A photographic element comprises a support, a silver halide emulsion layer and a layer containing a polymeric scavenger for development inhibitors. The movement of development inhibitor anions from layer to layer in a film, out of the film, or into the film from processing solutions, can be controlled by the presence of the polymeric scavenger layer.

REFERENCES:
patent: 3161506 (1964-12-01), Becker
patent: 3706557 (1972-12-01), Arond
patent: 3813244 (1974-05-01), Villard
patent: 3898088 (1975-08-01), Cohen et al.
patent: 3958995 (1976-05-01), Campbell et al.

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