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United States of America Patent
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app pub date -
Dec 17, 2010
filing date -
Jul 29, 2004
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Abandoned
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Abstract
A light-attenuating composition and method of using it are described. The light-attenuating composition may be selectively applied to a radiant energy sensitive material on the substrate. Actinic radiation applied to the composite chemically changes portions of the radiant energy sensitive material not covered by the light-attenuating composition. The light-attenuating composition attenuates light in at least the UV range and is water-soluble or water-dispersible.
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