Contact lens disinfecting and preserving solution (polymeric)
AssigneeBausch & Lomb Incorporated
InventorsFrancis X. Smith, Thomas M. Riedhammer
Life of this patent
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Abstract
A disinfecting and/or preserving solution for contact lenses is disclosed. The disinfecting solution is an aqueous solution containing 0.00001 to 0.1 weight percent of a dimethyldiallylammonium chloride homopolymer having a molecular weight from about 10,000 to about 1,000,000, optionally together with up to 0.5 weight percent of ethylenediaminetetraacetic acid or other enhancers and optional buffers and the like.
Claims4
An aqueous solution for preserving or disinfecting soft contact lenses having as the active antimicrobial agent dimethyldiallylammonium chloride homopolymer, having a molecular weight from about 10,000 to 1,000,000, present in an amount from about 0.00001 to about 0.1 weight percent of said composition.
Dependencies are inferred from the claim text.