Process of making photographic prints simulating depth and resul

Radiation imagery chemistry: process – composition – or product th – Imaged product – Structurally defined

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430 9, 430367, 430370, 430427, 430430, 430432, G03C 700, G03C 526

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active

043627960

ABSTRACT:
The present invention relates to a photographic print and process of making the same wherein the print presents highlights by a build-up of high reflective, e.g. specularly reflective, metal in the highlighted areas which would otherwise print as blank or very light-toned areas of exposed paper or film. The gradient areas are preferably defined by spaced, specularly reflective areas optionally interspersed with conventional deposit of particulate silver. The method of fabricating such article includes an initially conventional development step, followed by a second development step wherein the silver halide areas remaining after the first development step are converted into increments of specularly reflective silver. An etching step may be interposed between the conventional development step and the development step leading to the creation of specular areas.

REFERENCES:
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patent: 1937146 (1933-11-01), Gries
patent: 1961335 (1934-06-01), Cheney
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patent: 4054453 (1977-10-01), Grobin
patent: 4178181 (1979-12-01), Sawyer
Glatkides, Photographic Chemistry, 1958, pp. 189-199, Chap. XIII, "Toning".
Wall, Photographic Facts & Formula, 1924, pp. 216-248.
Wade, Alternative Photographic Processes, 1978, p. 95.

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