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Silicone hydrogels comprising N-vinyl amides and hydroxyalkyl (meth)acrylates or (meth)acrylamides

  • US 10,353,115 B2
  • Filed: 03/21/2018
  • Issued: 07/16/2019
  • Est. Priority Date: 12/23/2011
  • Status: Active Grant
First Claim
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1. A contact lens formed from a reaction mixture comprising,(a) from about 37 to about 70 wt % of at least one slow reacting monomer selected from the group consisting of N-vinylamide monomer of Formula I, vinyl pyrrolidone of Formula II or IV:

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