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Use of PEO-PBO block copolymers in ophthalmic compositions

  • US 10,584,307 B2
  • Filed: 01/05/2017
  • Issued: 03/10/2020
  • Est. Priority Date: 12/11/2006
  • Status: Active Grant
First Claim
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1. A contact lens product, comprising a package;

  • and a packaging solution for storing a silicone hydrogel contact lens, wherein the packaging solution comprises 0.001 w/v % to about 1 w/v % of at least one poly(oxyethylene)-poly(oxybutylene) block copolymer having a molecular weight in the range of 500 to 100,000 Daltons, and having an osmolality of 200 to 400 milliosmoles/kilogram.

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