PRINTING INKS WITH PROPERTY ENHANCING MICROCAPSULES
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United States of America Patent
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Issued Date -
Oct 18, 2007
app pub date -
Mar 27, 2007
filing date -
Mar 27, 2006
priority date (Note) -
Abandoned
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Abstract
Improved printing inks that provide selectively enhanced properties when applied to substrates. In particular, the improved inks use microcapsules to improve the quality, durability, and/or security of printed inks on substrates, for example identification documents. The microcapsules contain property enhancing chemical components that can be released from the capsules before, during or after printing is completed. The property enhancing components bring about a physical interaction and/or chemical reaction at the ink-substrate interface, in the print ink composition, and/or in the print ink surface, which may result for instance in at least one of improved adhesion, abrasion resistance, chemical resistance, and cohesive strength of the printed ink.
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