Optically variable magnetic security threads and stripes
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United States of America Patent
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Jan 1, 2019
Grant Date -
May 3, 2018
app pub date -
Jun 17, 2015
filing date -
Jul 9, 2014
priority date (Note) -
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Abstract
The present invention relates to the field of the protection of value documents and value commercial goods against counterfeit and illegal reproduction. In particular, the present invention relates to security threads or stripes to be incorporated into or onto security documents. The security threads or stripes comprise i) an optically variable layer; ii) a magnetic code; and iii) a non-metallized substrate, wherein the magnetic code has a color matching the color impression of the optically variable layer at one viewing angle and wherein the optically variable layer and the magnetic code are jointly visible from one side of the security thread or stripe.
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