Silicone hydrogel composition and silicone hydrogel contact lenses made from the composition
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United States of America Patent
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Jun 2, 2015
Grant Date -
Jun 5, 2014
app pub date -
Apr 25, 2013
filing date -
Nov 30, 2012
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Abstract
A silicone hydrogel composition is disclosed. The composition includes at least one silicone macromer, a hydroxy-functionalized silicone-containing monomer, a first hydrophibic monomer and at least one crosslinker, in which the first hydrophibic monomer is N-vinyl pyrrolidone. The silicone macromer and the hydroxy-functionalized silicone-containing monomer are mutually soluble with N-vinylpyrrolidone. Silicone hydrogel contact lenses prepared from the silicone hydrogel composition are also disclosed.
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