SG11202111037SA - Method for making opaque colored silicone hydrogel contact lenses - Google Patents

Method for making opaque colored silicone hydrogel contact lenses

Info

Publication number
SG11202111037SA
SG11202111037SA SG11202111037SA SG11202111037SA SG11202111037SA SG 11202111037S A SG11202111037S A SG 11202111037SA SG 11202111037S A SG11202111037S A SG 11202111037SA SG 11202111037S A SG11202111037S A SG 11202111037SA SG 11202111037S A SG11202111037S A SG 11202111037SA
Authority
SG
Singapore
Prior art keywords
contact lenses
silicone hydrogel
hydrogel contact
opaque colored
colored silicone
Prior art date
Application number
SG11202111037SA
Inventor
Steve Yun Zhang
Changhong Yin
Richard Charles Breitkopf
Original Assignee
Alcon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alcon Inc filed Critical Alcon Inc
Publication of SG11202111037SA publication Critical patent/SG11202111037SA/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00317—Production of lenses with markings or patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00038—Production of contact lenses
    • B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
    • B29D11/00134—Curing of the contact lens material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00038—Production of contact lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00865—Applying coatings; tinting; colouring
    • B29D11/00894—Applying coatings; tinting; colouring colouring or tinting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00865—Applying coatings; tinting; colouring
    • B29D11/00894—Applying coatings; tinting; colouring colouring or tinting
    • B29D11/00903—Applying coatings; tinting; colouring colouring or tinting on the surface
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic System
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/0834—Compounds having one or more O-Si linkage
    • C07F7/0838—Compounds with one or more Si-O-Si sequences
    • C07F7/0872—Preparation and treatment thereof
    • C07F7/0889—Reactions not involving the Si atom of the Si-O-Si sequence
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • G02B1/043—Contact lenses
SG11202111037SA 2019-05-28 2020-05-27 Method for making opaque colored silicone hydrogel contact lenses SG11202111037SA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962853244P 2019-05-28 2019-05-28
PCT/IB2020/055030 WO2020240440A1 (en) 2019-05-28 2020-05-27 Method for making opaque colored silicone hydrogel contact lenses

Publications (1)

Publication Number Publication Date
SG11202111037SA true SG11202111037SA (en) 2021-12-30

Family

ID=70922084

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202111037SA SG11202111037SA (en) 2019-05-28 2020-05-27 Method for making opaque colored silicone hydrogel contact lenses

Country Status (4)

Country Link
US (1) US11584097B2 (en)
EP (1) EP3976362B1 (en)
SG (1) SG11202111037SA (en)
WO (1) WO2020240440A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3976381A1 (en) * 2019-05-28 2022-04-06 Alcon Inc. Pad transfer printing instrument and method for making colored contact lenses
KR20230132841A (en) 2021-03-24 2023-09-18 알콘 인코포레이티드 Method for manufacturing intraocular hydrogel contact lenses
WO2023228074A1 (en) * 2022-05-25 2023-11-30 Alcon Inc. Sandwich colored hydrogel contact lenses

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Also Published As

Publication number Publication date
WO2020240440A1 (en) 2020-12-03
US11584097B2 (en) 2023-02-21
EP3976362A1 (en) 2022-04-06
US20200376787A1 (en) 2020-12-03
EP3976362B1 (en) 2023-06-07

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