Marking based on chiral liquid crystal polymers
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United States of America Patent
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Apr 23, 2013
Grant Date -
Jun 9, 2011
app pub date -
May 19, 2010
filing date -
Dec 8, 2009
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Abstract
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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