Imagewise soluble silver salt intensification of diffusion trans

Details Imagewise soluble silver salt intensification of diffusion trans Imagewise soluble silver salt intensification of diffusion trans

1976-04-28

1977-09-13

Klein, David

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 3, 96 29D, 96 73, 96 74, 96 76R, 96 76C, 96 77, G03C 554, G03C 700, G03C 148, G03C 140

Patent

active

040479528

ABSTRACT:
The use of a soluble, reducible silver salt in combination with an imagewise exposed diffusion transfer photographic element comprising a negative silver halide emulsion and an associated physical development nuclei layer provides a resultant photographic image having intensified maximum density areas with little or no effect on minimum density areas.

REFERENCES:
patent: 3630730 (1971-12-01), Stewart et al.
patent: 3630731 (1971-12-01), Schwan et al.
patent: 3647436 (1972-03-01), Bush
patent: 3647439 (1972-03-01), Bass

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