UV-blocking hot melt inks
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United States of America Patent
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Jul 14, 1998
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N/A
app pub date -
Sep 27, 1996
filing date -
Sep 27, 1996
priority date (Note) -
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Abstract
UV-blocking hot melt ink jet inks for printing on flexible and other media. An UV-blocking hot melt ink jet ink for flexo-graphic plating comprises a wax, a plasticizer, an UV blocker, and a dye. Such an ink is flexible and durable, gives good printing quality, and is also removable from the flexo plate substrates during the wash out cycle of the flexo-plating process. Another UV-blocking hot melt ink jet ink for printing on silk screens comprises a wax, a fatty acid, an UV blocker and a dye. Such an ink is readily removable from the silk screen without harming the screen.
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