Process for producing a tinted contact lens

A process for producing a tinted contact lens, which comprises dissolving a soluble vat dye in a monomer capable of dissolving the soluble vat dye therein, mixing the monomer having the soluble vat dye dissolved therein and other monomers, polymerizing the monomer mixture and processing the resultin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	IWATA, NORIKO, TANIYAMA, YOSHITAKA, YOKOYAMA, YASUHIRO, NIWA, KAZUHARU
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON CONTACT LENSES DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM DYEING OR PRINTING TEXTILES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF TEXTILES OR THE LIKE WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A process for producing a tinted contact lens, which comprises dissolving a soluble vat dye in a monomer capable of dissolving the soluble vat dye therein, mixing the monomer having the soluble vat dye dissolved therein and other monomers, polymerizing the monomer mixture and processing the resulting polymer into a shape of a contact lens.