Tracking a status of a catalyst-driven process using RFIDs
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United States of America Patent
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Apr 5, 2011
Grant Date -
Sep 17, 2009
app pub date -
Mar 14, 2008
filing date -
Mar 14, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of tracking a status of a catalytic process in a mixture incorporates the use of Radio Frequency Identification (RFID) tags that have corrosive-sensitive coatings. The coatings are removable, by a corrosive in the mixture, at a rate that tracks with the rate at which a catalytic-driven process progresses. As coatings on the RFID tags are removed by the corrosive in the mixture, the digital signatures returned by the RFID tags change, in response to the corrosive damaging the RFID tags. By quantifying the number of damaged RFID tags, a determination can be made as to the progress status of the catalytic process.
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