C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/48 (2006.01) A61L 2/00 (2006.01) A61L 12/14 (2006.01) C11D 1/722 (2006.01) C11D 3/00 (2006.01) C11D 3/32 (2006.01) C11D 3/37 (2006.01)
Patent
CA 2307664
The present invention is directed to an ophthalmically safe disinfecting solution for contact lenses comprising a biguanide polymer in combination with a bis(biguanide), and a method of using the composition, in the form of an aqueous solution, for disinfecting and/or preserving contact lenses, especially soft contact lenses. The invention can be used to formulate products having greater convenience and/or benefits compared to traditional disinfecting products for contact lenses and can provide a broader, more potent and faster antimicrobial activity overall.
La présente invention concerne une solution de désinfection de lentilles de contact, sûre sur le plan ophtalmique et comprenant un polymère biguanide en combinaison avec un bis(biguanide). L'invention concerne également un procédé d'utilisation de cette composition, sous la forme d'une solution aqueuse, aux fins de désinfections et/ou de conservation de lentilles de contact, notamment de lentilles de contact souples. On peut utiliser l'invention pour formuler des produits qui soient plus pratiques et plus avantageux par rapport aux produits classiques de désinfection de lentilles de contact, la solution de l'invention possédant une activité globale antimicrobienne à spectre plus large, plus puissante et plus rapide.
Heiler David J.
Marsh David A.
Simpson Lisa C.
Spooner Susan P.
Bausch & Lomb Incorporated
Osler Hoskin & Harcourt Llp
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