Marking based on chiral liquid crystal polymers

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United States of America Patent

PATENT NO 8426011
APP PUB NO 20110135889A1
SERIAL NO

12783068

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Abstract

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A liquid crystal polymer marking is obtainable by a process that comprises applying a chiral liquid crystal precursor composition onto a substrate, heating the composition to a bring same to a chiral liquid crystal state, locally applying at least one modifying agent to modify the chiral liquid crystal state, and curing and/or polymerization the resultant product. 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 Chavannes-près-Renens, CH 31 190
Gremaud, Frédéric Epagny, CH 9 151
Tiller, Thomas Bussigny, CH 32 364

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