Reversal photographic element comprising an imaging layer containing imaging and non-image forming emulsions
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United States of America Patent
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May 18, 2004
Grant Date -
Jan 22, 2004
app pub date -
Jul 18, 2002
filing date -
Jul 18, 2002
priority date (Note) -
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Abstract
A reversal photographic element comprising a support and, coated on said support, at least one image recording emulsion layer comprised of: a) a light sensitive silver halide imaging emulsion; and b) a non-image forming silver halide emulsion having an average grain size less than 0.3 .mu.m and which comprises at least 13 percent of the total silver in the image recording layer, wherein the non-image forming silver halide emulsion comprises at least 1 mole percent iodide, and the iodide mole percentage of the non-image forming silver halide emulsion is equal to or higher than that of the imaging emulsion. The combination of the imaging emulsion and a higher iodide concentration non-imaging emulsion in an imaging layer gives an increase in interlayer interimage effects, increasing the color of the film.
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