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US 4,997,626 AGranted
Methods to disinfect contact lenses
AssigneeAllergan, Inc.
InventorsAnthony J. Dziabo, Hampar Karageozian, Paul S. Ripley
Life of this patent
Estimating the term…
Abstract
A method for disinfecting a contact lens is disclosed. This method comprises contacting a contact lens to be disinfected in a liquid medium with chlorine dioxide present in an amount effective to disinfect the contact lens to be disinfected.
Claims29
A method for disinfecting a contact lens which comprises:
- contacting a contact lens in a liquid medium with chlorine dioxide present in an amount as other than a chlorine dioxide precursor liquid medium being substantially free of quaternary ammonium salts and positively charged, nitrogen-containing cationic polymers.
A method for disinfecting a contact lens which comprises:
- contacting a contact lens in a liquid medium with chlorine dioxide present in an amount effective to disinfect said contact lens, said chlorine dioxide being derived from at least one chlorine dioxide precursor present in said liquid medium prior to said contacting which precursor is activated other than by the presence of said contact lens to produce said chlorine dioxide, said liquid medium being substantially free of quaternary ammonium salts and positively charged, nitrogen-containing cationic polymers.
Dependencies are inferred from the claim text.