Non-toxic flakes for authentication of pharmaceutical articles
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United States of America Patent
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Jun 23, 2009
Grant Date -
Jan 24, 2008
app pub date -
Jul 11, 2007
filing date -
Aug 14, 2003
priority date (Note) -
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Abstract
In one embodiment of the present invention, non-toxic inorganic flakes are used for identification and anticounterfeit protection of pharmaceutical articles, such as pills, tablets and capsules, having a core of a biologically active material and/or a biologically inert material. Non-toxic inorganic authentication flakes, either optically variable flakes or taggant flakes having one or more symbols and/or a selected shape are disposed on the surface or inside of the pharmaceutical article.
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