IMAGEABLE ELEMENTS WITH COLORANTS
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United States of America Patent
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app pub date -
May 25, 2012
filing date -
Mar 4, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Both positive-working and negative-working imageable element can have a radiation-sensitive imageable layer that has at least one pigment colorant that does not change color when heated, and at least one dye that can change color when heated. The dye is soluble in the solvent or mixture of solvents used to coat the radiation-sensitive imageable layer on a substrate and the pigment colorant is not. This combination of pigment colorant and dye provide excellent image contrast after imaging, development, and postbaking. The pigment colorant and the dye independently have a maximum absorption of from about 480 to about 700 nm.
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