×

Polymerizable surfactants and their use as device forming comonomers

  • US 8,377,464 B2
  • Filed: 02/27/2012
  • Issued: 02/19/2013
  • Est. Priority Date: 12/22/2004
  • Status: Active Grant
First Claim
Patent Images

1. An ophthalmic device comprising:

  • a polymerized comonomer mixture comprising at least one polymerizable surfactant selected from the group consisting of a poloxamer di(meth)acrylate, a reverse poloxamer di(meth)acrylate, a poloxamine di(meth)acrylate, a reverse poloxamine di(meth)acrylate and mixtures thereof, wherein the at least one polymerizable surfactant is present in the comonomer mixture prior to polymerization in an amount of about 0.1 to about 4.9 weight percent, and further wherein the ophthalmic device is a contact lens, an intraocular lens or a corneal implant, wherein the ophthalmic device has a water content of from about 20 to about 90 weight percent.

View all claims
  • 20 Assignments
Timeline View
Assignment View
    ×
    ×