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Ophthalmic compositions with an amphoteric surfactant and hyaluronic acid

  • US 8,119,112 B2
  • Filed: 09/03/2008
  • Issued: 02/21/2012
  • Est. Priority Date: 01/31/2008
  • Status: Active Grant
First Claim
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1. An aqueous contact lens cleaning and disinfecting solution composition comprising:

  • 0.8 ppm to 1.6 ppm of poly(hexamethylene biguanide);

    0.5 ppm to 2 ppm α

    -[4-tris(2-hydroxyethyl)-ammonium chloride-2-butenyl]poly[1-dimethyl ammonium chloride-2-butenyl]-ω

    -tris(2-hydroxyethyl)ammonium chloride;

    0.005 wt. % to 0.015 wt. % hyaluronic acid;

    0.01 wt. % to 0.6 wt. % of a sulfobetaine of general formula I

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