Radiation curable compositions
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United States of America Patent
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Apr 30, 2013
Grant Date -
Feb 3, 2011
app pub date -
Nov 7, 2008
filing date -
Nov 19, 2007
priority date (Note) -
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Abstract
The present invention relates to composition comprising at least one compound obtained from the reaction of at least one compound (i) having a refractive index nD20 of at least 1.50 comprising at least one isocyanate-reactable functional group —XH, wherein each of X is, independently, O or NR, at least one polyisocyanate (ii), and, optionally, at least one compound (iii) comprising at least one isocyanate-reactable functional group —YH and at least one curable functional group Q, wherein each of Y is, independently, O, NR or S, and its use for making high refractive index coatings and films.
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