Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1979-10-11
1981-05-12
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Transfer procedure between image and image layer, image...
Diffusion transfer process, element, or identified image...
430223, 430502, 430505, 430523, 430539, 430559, G03C 140, G03C 110, G03C 554, G03C 176
Patent
active
042672503
ABSTRACT:
In a color diffusion transfer photographic element containing at least one dye-releasing redox compound-containing layer associated with a silver halide photographic emulsion and capable of releasing a diffusible dye as a result of a redox reaction with the oxidation product of a developing agent produced by the development of silver halide with an alkaline processing solution, and at least one layer containing an antistain agent, the improvement which comprises said dye-releasing redox compound-containing layer associated with said silver halide photographic emulsion being spaced from the adjacent interlayer containing said antistain agent by a spacer layer essentially containing a hydrophilic colloid or by a silver halide emulsion layer having substantially the same spectral sensitivity as that of the associated silver halide emulsion.
REFERENCES:
patent: 4124394 (1978-11-01), Sera et al.
patent: 4192678 (1980-03-01), Chasman
"Photographic Processes and Products", Research Disclosure, No. 15162, 11/1976, pp. 75-87.
Nakatsuka Asao
Sakanoue Seiki
Takahashi Osamu
Tsubota Motohiko
Waki Kokichi
Fuji Photo Film Co. , Ltd.
Schilling Richard L.
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