Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1982-05-10
1983-08-30
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430227, 430230, 430248, 430249, 430509, G03C 554, G03C 148, G03C 176
Patent
active
044017537
ABSTRACT:
Photographic silver halide material suitable for use in the silver complex diffusion transfer reversal process for the production of a continuous tone positive silver image (sensitometric curve I of the drawing) on an image-receiving material and a continuous tone negative silver image (sensitometric curve II of the drawing) in the photographic silver halide material itself, wherein the negative silver image is usable per se for serving as an internegative in a photographic printing process. In the photographic material on each side of a transparent support a silver halide emulsion layer high in silver chloride is present with a different developing agent composition to yield from the two emulsion layers together the total silver image density and average gradient desired in the negative image.
REFERENCES:
patent: 3345166 (1967-10-01), Land et al.
patent: 4242436 (1980-12-01), Mertens et al.
De Prijcker Jozef P.
Vaes Jos A.
AGFA-GEVAERT N.V.
Daniel William J.
Schilling Richard L.
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