Disinfectant solution for contact lens
Patent 4615882 Issued on October 7, 1986. Estimated Expiration Date: 
May 2, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 2, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3624120 3639576 3730701 3794736 3817739 3882036 Flexible contact lens cleaning, storing, and wetting compositions Soft contact lens preserving solutions Contact lens cleaning composition 3-(Trimethoxysilyl) propyldidecylmethyl ammonium salts and method of inhibiting growth of microorganisms therewith Patent #: 4394378 InventorApplicationNo. 06/729560 filed on 05/02/1985US Classes:424/78.04, Ophthalmic preparation514/63, Silicon containing DOAI514/840, Chemical sterilizing525/102, Si-H or Si-C reactant contains an atom other than C, H, O, or Si bonded to a carbon atom525/409, Solid polymer derived only from 1,2-epoxy reactants containing only C, H, and O525/431, Mixed with silicon containing reactant or polymer derived from525/446, Mixed with silicon-containing reactant or polymer derived therefrom536/87Liquid interaction properties changed (e.g., solubility, absorbability, etc.)ExaminersPrimary: Robinson, Douglas W.Attorney, Agent or FirmInternational ClassesA01N 55/00 (20060101)A61L 12/14 (20060101) A61L 12/00 (20060101) AbstractAn aqueous anti-microbial disinfectant solution for contact lenses contains an effective amount of an active ingredient which is an anti-microbial, organosilicon quaternary ammonium salt chemically bonded to a water soluble, high molecular weight organic polymer. The solution is non-toxic and non-irritating to the eye, and does not adsorb or penetrate into a contact lens. |
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