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Compositions and methods for disinfecting contact lenses and preserving contact lens care products



Compositions and methods for disinfecting contact lenses and preserving contact lens care products



Official Gazette of the United States Patent & Trademark Office Patents 1231(3), Feb 15



Compositions for disinfecting contact lenses include a liquid medium containing a chlorite component, preferably a water soluble chlorite component, in a contact lens disinfecting amount, and a polyanionic component, preferably a water soluble polyanionic component, in an amount effective to do at least one of the following: inhibit formation of protein deposit material on a contact lens immersed in the composition; reduce the toxicity of the composition to the human eye, and reduce the damage to a contact lens caused by immersing the contact lens in the composition. The composition has a viscosity of less than 50 cps at 25degree C., an osmolality of at least about 200 mOsmol/kg, and preferably a pH in the range of about 6 to about 9.

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Accession: 034630132

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