UV-blocking silicone hydrogel composition and silicone hydrogel contact lens containing thereof
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United States of America Patent
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Nov 1, 2016
Grant Date -
Jun 9, 2016
app pub date -
Dec 5, 2014
filing date -
Dec 5, 2014
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Abstract
The present disclosure provides a UV-blocking silicone hydrogel composition including a hydrophilic silicone macromer, a UV-blocking monomer, a first hydrophilic monomer, a crosslinker and a polymerization initiator. The hydrophilic silicone macromer has a general formula: V-L-S-(L′-V′)x, wherein V and V′ are independently ethylenically-based polymerizable groups, L and L′ are independently a covalent bond or a linkage group, S is a siloxane group having a chemical structure such as
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