Irreversible humidity indicator cards
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 2, 2004
Grant Date -
N/A
app pub date -
Sep 12, 2000
filing date -
Sep 12, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An irreversible humidity indicator card comprising an intermediate carrier member containing one or more holes, a clear, water vapor permeable first outer layer secured to the first side of the carrier member, a deliquescent material contained within the holes in the carrier member, a dark colored, absorbent sheet material secured to the back side of the carrier member to cover the holes in the carrier member and a second outer layer which covers the colored absorbent sheet material and a portion or all of the back side of the intermediate carrier member.
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Family
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Cited Art Landscape
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