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Compositions and methods for disinfecting and cleaning contact lenses

  • US 9,591,850 B2
  • Filed: 09/25/2014
  • Issued: 03/14/2017
  • Est. Priority Date: 09/27/2013
  • Status: Active Grant
First Claim
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1. A composition for disinfecting a contact lens, comprising about 0.5 w/v % to about 6 w/v % by weight hydrogen peroxide and at least one poly(oxyethylene)-poly(oxybutylene) di-block copolymer, wherein the poly(oxyethylene)-poly(oxybutylene) di-block copolymer is of the formula (EO)m(BO)n, wherein EO is oxyethylene and BO is oxybutylene, and wherein m is 10 and n is 5, wherein the composition comprising (EO)m(BO)n in the range of 0.001 to 0.5 weight/volume percent, wherein the composition is incapable of foaming at any time within a disinfection cycle carried out in a disinfection cup having a platinum-coated plastic disk that catalytically decomposes hydrogen peroxide generating oxygen gas bubbles excessively to cause overflow of the composition from the disinfection cup.

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