HUMIDITY INDICATOR AND METHOD FOR PRODUCING THE SAME
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United States of America Patent
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Issued Date -
May 5, 2011
app pub date -
Jun 22, 2009
filing date -
Jun 25, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A humidity indicator including a coloration composition, which contains a deliquescent material, supported on a porous base material, wherein the adhesion of the coloration composition, which has been once printed and thus adhered to the base material, to a member or the like of a printer is inhibited in a production process to thereby reduce printing errors and the maintenance frequency of the printer. Furthermore, blocking which occurs in stacking multiple humidity indicators can be prevented. Beads not reacting with the constituting components of the coloration composition are dispersed into the coloration composition to form convex portions. Further, the coloration composition is coated with a top coat layer including beads dispersed in a resin.
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