Erasably markable articles and methods of making such articles
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United States of America Patent
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Jun 18, 1991
Issued Date -
N/A
app pub date -
Feb 6, 1990
filing date -
Jun 2, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An erasably markable luminescent article formed of a coated substrate that is markable with dry wipe inks without causing permanent discernible distortion of the substrate. The surface after marking is substantially fully erasable. The surface is provided by a smooth coating of cured lacquer perferably a radiation cured lacquer, for example, electron beam radiation cured urethane acrylate. The luminescent appearance results from a phosphorescent layer between the substrate and an unpigmented cured lacquer coating.
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