METHOD FOR MAKING SILICONE HYDROGEL CONTACT LENSES

THE INVENTION PROVIDES A METHOD FOR WASHING, WITH A WATER-BASED SYSTEM, REUSABLE MOLDS FOR MAKING SILICONE HYDROGEL CONTACT LENSES. THE WATER-BASED WASHING SYSTEM COMPRISES AN ETHOXYLATED SILICONE POLYETHER SURFACTANT. THE WATER-BASED SYSTEM OF THE INVENTION CAN EFFECTIVELY WASH AWAY SILICONE-CONTAI...

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Bibliographische Detailangaben
Hauptverfasser:	HUANG, HORNGYIH, SAMUEL, NEWTON, T, WU, DAQING, MATSUZAWA, YASUO, DOMSCHKE, ANGELIKA, MARIA, HAKEN, UWE, PRUITT, JOHN, DALLAS
Format:	Patent
Sprache:	eng
Schlagworte:	CLEANING CLEANING IN GENERAL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS PREVENTION OF FOULING IN GENERAL PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Zusammenfassung:	THE INVENTION PROVIDES A METHOD FOR WASHING, WITH A WATER-BASED SYSTEM, REUSABLE MOLDS FOR MAKING SILICONE HYDROGEL CONTACT LENSES. THE WATER-BASED WASHING SYSTEM COMPRISES AN ETHOXYLATED SILICONE POLYETHER SURFACTANT. THE WATER-BASED SYSTEM OF THE INVENTION CAN EFFECTIVELY WASH AWAY SILICONE-CONTAINING COMPONENTS AND OTHER COMPONENTS OF A LENS FORMULATION LEFT BEHIND ON THE MOLDING SURFACES OF A REUSABLE MOLD, AFTER REMOVING A SILICONE HYDROGEL CONTACT LENS CAST MOLDED IN THE REUSABLE MOLD.