Methods for marking fibrous substrates
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United States of America Patent
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Feb 16, 2010
Grant Date -
Jun 22, 2006
app pub date -
Feb 20, 2004
filing date -
Feb 22, 2003
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Abstract
The present invention is directed to the preparation of fibrous substrates, including textiles, marked with colloidal particle nanobar codes, to the fibrous substrates so prepared, and to methods for detecting the nanobar codes on the fibrous substrates for use in quality control, counterfeiting, and the like.
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