METHOD FOR PROVIDING RAPID DISINFECTION OF CONTACT LENSES

The present invention is directed to method of disinfecting a contact lens with an ophthalmically safe disinfecting aqueous solution comprising about 2.0 to about 8.0 ppm of a bis(biguanide) having formula (I), wherein R1 and R4 are independently selected from the group consisting of branched or unb...

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Bibliographische Detailangaben
Hauptverfasser:	LEVER, O. WILLIAM JR, LEVER, ANDREA M
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AGRICULTURE ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CANDLES CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY CONTACT LENSES DETERGENT COMPOSITIONS DETERGENTS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR FATTY ACIDS THEREFROM FISHING FORESTRY HUMAN NECESSITIES HUNTING HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL OPTICS PEST REPELLANTS OR ATTRACTANTS PHYSICS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF RECOVERY OF GLYCEROL RESIN SOAPS SOAP OR SOAP-MAKING SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TRAPPING USE OF SINGLE SUBSTANCES AS DETERGENTS
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Beschreibung
Zusammenfassung:	The present invention is directed to method of disinfecting a contact lens with an ophthalmically safe disinfecting aqueous solution comprising about 2.0 to about 8.0 ppm of a bis(biguanide) having formula (I), wherein R1 and R4 are independently selected from the group consisting of branched or unbranched alkyl having 4-12 carbon atoms, ether or thioether radical having 4-12 carbon atoms, or cycloalkyl or cycloalkyl-alkyl radical having 5-12 carbon atoms; R2 and R3 are independently selected from the group consisting of hydrogen, alkyl having 1-1 carbon atoms, alkoxyalkyl having 1-12 carbon atoms, or cycloalkyl or cycloalkyl-alkyl having 5-12 carbon atoms; R6 and R7 are independently selected from the group consisting of hydrogen and alkyl radical having 1-6 carbon atoms, and A in said formula is selected from the group consisting of a divalent alkyl, alkyloxyalkyl, or alkylsulfide radical each having 4-12 carbon atoms. The invention is also directed to a method of cleaning and/or disinfecting a contact lens within a minimum soaking period that is not more than about 75 minutes.