Composite marking based on chiral liquid crystal precursors

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United States of America Patent

PATENT NO 9816031
SERIAL NO

13313238

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A substrate having thereon a marking or layer comprising a cured chiral liquid crystal precursor composition which comprises at least one salt that changes the position of a selective reflection band exhibited by the cured composition compared to the position of a selective reflection band exhibited by a cured composition that does not contain the at least one salt. A modifying resin made from one or more polymerizable monomers is disposed between the substrate and the marking or layer and changes the position of the selective reflection band exhibited by the cured precursor composition comprising the at least one salt on the substrate in the one or more areas. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

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Patent Owner(s)

  • SICPA HOLDING SA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Callegari, Andrea Lausanne, CH 31 190
Jauzein, Tristan Chanvannes-pres-Renens, CH 12 35

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