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SILICONE HYDROGELS HAVING DESIRABLE WATER CONTENT AND OXYGEN PERMEABILITY

  • US 20160103248A1
  • Filed: 12/15/2015
  • Published: 04/14/2016
  • Est. Priority Date: 12/23/2011
  • Status: Active Grant
First Claim
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1. A silicone hydrogel comprising a water content of at least about 50% and an oxygen permeability of at least about 80 barrers wherein said silicone hydrogel is formed from a reaction mixture comprisingabout 37 to about 75 wt % of at least one hydrophilic monomer selected from the group consisting of N-vinylamide monomer of Formula I, vinyl pyrrolidone of Formula II-IV, N-vinyl piperidone of Formula V:

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