HUMIDITY INDICATOR CARD INCLUDING CONDUCTIVE CARBON MATERIAL AND METHOD FOR MANUFACTURING THE SAME
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United States of America Patent
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Issued Date -
Jan 23, 2025
app pub date -
Dec 4, 2023
filing date -
Dec 4, 2023
priority date (Note) -
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Abstract
Provided is a humidity indicator card including: blotting paper; antistatic layers disposed on upper and lower portions of the blotting paper; and humidity indication units disposed on one surface of the antistatic layer, wherein the antistatic layer includes an antistatic composition including conductive carbon black, and the conductive carbon black is included at 1 to 30 parts by weight based on 100 parts by weight of the antistatic composition, and the humidity indicator card may provide an excellent antistatic effect.
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