Polymerizable dyes as taggants
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United States of America Patent
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Dec 28, 1999
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N/A
app pub date -
Jun 17, 1998
filing date -
Jun 17, 1998
priority date (Note) -
Expired
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Abstract
Liquids, such as petroleum fuels, are tagged with chemical compounds having a light-absorbing identifying chemical moiety and at least one polymerizable chemical moiety. The marker is identified in a specimen of the liquid by polymerizing the marker compound, generally along with additional co-polymerizable material.
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