Color diffusion transfer employing silver salt transfer reversal

Gas separation: apparatus – Electric field separation apparatus – Electrode cleaner – apparatus part flusher – discharger – or...

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96 3, 96 29R, 96 73, 96 74, 96 76R, 96 77, 96107, G03C 554, G03C 700, G03C 148, G03C 140

Patent

active

040479536

ABSTRACT:
The use of a 4-thiohydantoine in combination with an image-wise exposed diffusion transfer element comprising a negative silver halide emulsion layer and an associated physical development layer containing cadmium sulfide nuclei and an associated initially immobile dye-providing substance provides improved diffusion transfer dye images.

REFERENCES:
patent: 2346065 (1944-04-01), Carroll et al.
patent: 2698245 (1954-12-01), Land
patent: B351673 (1975-01-01), Fleckenstein et al.

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