Silicone hydrogel contact lens

Silicone hydrogel contact lens

  • CN 102,323,629 A
  • Filed: 08/26/2005
  • Published: 01/18/2012
  • Est. Priority Date: 08/27/2004
  • Status: Active Application
First Claim
Patent Images

1. silicone hydrogel contact lens;

  • It comprises the oxygen permeability with 70barrer at least and the mirror body of at least 35% equilibrium moisture content by weight;

    Wherein said mirror body comprises the polymeric reaction product of precursor composition;

    Said precursor composition comprises;

    be selected from the amide monomer of the group that is made up of N-vinyl-N-methylacetamide, N-vinyl pyrrolidone and its potpourri, crosslinkable monomers and have the water wettability methacrylic acid siloxy group ester of following formula;

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×