Photopolymerizable dental composites with rapid curing and low shrinkage stress
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United States of America Patent
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Jun 13, 2023
Grant Date -
May 28, 2020
app pub date -
Oct 15, 2019
filing date -
Nov 28, 2018
priority date (Note) -
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Abstract
Radically polymerizable material, which contains (a) 0.01 to 5 wt.-% of at least one transfer reagent, (b) 5 to 60 wt.-% of at least one multifunctional (meth)acrylate or a mixture of mono- and multifunctional (meth)acrylates, (c) 0.01 to 3.0 wt.-% of a mixture of at least one monomolecular and at least one bimolecular photoinitiator, (d) 30 to 90 wt.-% of at least one filler, and (e) optionally additive(s), wherein the material contains as transfer reagent (a) at least one allyl sulfone of Formula I and/or a vinyl sulfone ester of Formula II.
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