METHOD OF MAKING A FULLY POLYMERIZED UV BLOCKING SILICONE HYDROGEL LENS
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United States of America Patent
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Issued Date -
Nov 28, 2013
app pub date -
May 25, 2012
filing date -
May 25, 2012
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Abstract
A method of making a substantially fully copolymerized UV blocking hydrogel lens demonstrating sufficient blocking of UV light to meet at least FDA Class II specifications for UV blocking formed from a reaction mixture comprising at least NVP and one other comonomer and a free-radical polymerizable, substituted or unsubstituted, Bis O-hydroxy benzophenone is provided herein.
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