FI70232B - Mjuka kontaktlinser och foerfarande foer deras framstaellning - Google Patents

Mjuka kontaktlinser och foerfarande foer deras framstaellning Download PDF

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Publication number
FI70232B
FI70232B FI821509A FI821509A FI70232B FI 70232 B FI70232 B FI 70232B FI 821509 A FI821509 A FI 821509A FI 821509 A FI821509 A FI 821509A FI 70232 B FI70232 B FI 70232B
Authority
FI
Finland
Prior art keywords
boric acid
mixture
ester
water
process according
Prior art date
Application number
FI821509A
Other languages
English (en)
Finnish (fi)
Other versions
FI70232C (fi
FI821509L (fi
FI821509A0 (fi
Inventor
Hans-Ole Larsen
Original Assignee
Mia Lens Prod
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 Mia Lens Prod filed Critical Mia Lens Prod
Publication of FI821509A0 publication Critical patent/FI821509A0/fi
Publication of FI821509L publication Critical patent/FI821509L/fi
Publication of FI70232B publication Critical patent/FI70232B/fi
Application granted granted Critical
Publication of FI70232C publication Critical patent/FI70232C/fi

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
    • B29D11/00038—Production of contact lenses
    • B29D11/00057—Production of contact lenses characterised by the shape or surface condition of the edge, e.g. flashless, burrless, smooth
    • 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
    • B29D11/00076—Production of contact lenses enabling passage of fluids, e.g. oxygen, tears, between the area under the lens and the lens exterior
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F230/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
    • C08F230/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal
    • C08F230/06—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing boron
    • C08F230/065—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing boron the monomer being a polymerisable borane, e.g. dimethyl(vinyl)borane
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Polymerisation Methods In General (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Liquid Developers In Electrophotography (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Materials For Medical Uses (AREA)

Claims (10)

1. Förfarande för fraraställning av en blandning av en hydrofil polymergel och ett vattenlösligt inert utspädnings-medel att användas vid fraraställning av mjuka kontaktlinser, kännetecknat därav, att en eller flera akryl- eller 5 metakrylmonomerer polymeriseras huvudsakligen under vatten-fria betingelser i närvaro av en polyhydroxylester eller en -esterblandning av borsyra, varvid borsyraestern eller -ester-blandningen bildar minst 30 volym-^ av polymeriseringsbland-ningen och borsyrans och polyhydroxylföreningarnas viktför-10 hällande är 10:90 - 4-5:55 ·
2. Förfarande enligt patentkrav 1, kännetecknat därav, att borsyraestern eller -esterblandningen bildar 30 - 90 volym*-?5 av polyraeriseringsblandningen.
3. Förfarande enligt patentkrav 1 eller 2, k ä n n e-15 tecknat därav, att borsyrans och polyhydroxylföreningarnas viktförhällande är 15:85 - 40:60.
4. Förfarande enligt nägot av föregäende patentkrav, kännetecknat därav, att polyhydroxylföreningen i huvudsak bestär av glycerol och att borsyrans och glycerolens 20 viktförhällande är 10:90 - 35:65·
5. Förfarande enligt nägot av föregäende patentkrav, kännetecknat därav, att sora akrylmonomer användes hydroxietylmetakrylat och att volymproportionen mellan borsyrans estrar och monomerer är 30:70 - 50:50. 25
6. Förfarande enligt nägot av föregäende patentkrav, kännetecknat därav, att som monomer användes en blandning av hydroxietylmetakrylat och hydroxietylakrylat.
7. Förfarande enligt nägot av föregäende patentkrav, kännetecknat därav, att polymerisering utföres i 30. en gjutform i kontakt med en blandning innehällande en annan poly-meriserbar blandning och att den bildade hydrofila polymeren be-handlas med vatten för att undantränga borsyraestern och upp-taga vatten ätminstone tili en vattenhalt av 30
8. Förfarande enligt patentkrav 1, känneteck-35 n a t därav, att som polyhydroxylförening användes glycerol, sorbitol, propenglykol eller blandningar av dessa. Il
FI821509A 1981-04-30 1982-04-29 Mjuka kontaktlinser och foerfarande foer deras framstaellning FI70232C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25911581A 1981-04-30 1981-04-30
US25911581 1981-04-30

Publications (4)

Publication Number Publication Date
FI821509A0 FI821509A0 (fi) 1982-04-29
FI821509L FI821509L (fi) 1982-10-31
FI70232B true FI70232B (fi) 1986-02-28
FI70232C FI70232C (fi) 1986-09-15

Family

ID=22983595

Family Applications (1)

Application Number Title Priority Date Filing Date
FI821509A FI70232C (fi) 1981-04-30 1982-04-29 Mjuka kontaktlinser och foerfarande foer deras framstaellning

Country Status (15)

Country Link
EP (1) EP0064381B1 (sv)
JP (1) JPS57189116A (sv)
AT (1) ATE25944T1 (sv)
AU (1) AU555933B2 (sv)
BR (1) BR8202377A (sv)
CA (1) CA1213997A (sv)
DE (1) DE3275710D1 (sv)
DK (1) DK160836C (sv)
FI (1) FI70232C (sv)
GB (1) GB2097805B (sv)
IL (1) IL65618A (sv)
MX (1) MX162398A (sv)
NO (1) NO160007C (sv)
NZ (1) NZ200362A (sv)
ZA (1) ZA822932B (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4680336A (en) * 1984-11-21 1987-07-14 Vistakon, Inc. Method of forming shaped hydrogel articles
US5039459A (en) * 1988-11-25 1991-08-13 Johnson & Johnson Vision Products, Inc. Method of forming shaped hydrogel articles including contact lenses
US5271875A (en) * 1991-09-12 1993-12-21 Bausch & Lomb Incorporated Method for molding lenses
US5238388A (en) * 1991-12-06 1993-08-24 Johnson & Johnson Vision Products, Inc. Ophthalmic lens mold seal
IL108992A (en) * 1993-03-29 1997-11-20 Johnson & Johnson Vision Prod Solution removal nozzle
SG54538A1 (en) * 1996-08-05 1998-11-16 Hoya Corp Soft contact lens with high moisture content and method for producing the same
US20070222095A1 (en) * 2006-03-23 2007-09-27 Diana Zanini Process for making ophthalmic lenses
US9612363B2 (en) * 2010-11-04 2017-04-04 Johnson & Johnson Vision Care, Inc. Silicone hydrogel reactive mixtures comprising borates

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1169574A (fr) * 1957-04-24 1958-12-31 Corps hydrophiles façonnés tels que lentilles de contact ophtalmiques auxiliaires de chirurgie et autres
US3822089A (en) * 1968-09-25 1974-07-02 Akademie Ved Contact lens blank or replica made from anhydrous, sparingly cross-linked hydrophilic copolymers
US3876581A (en) * 1972-10-10 1975-04-08 Erickson Polymer Corp Hydrophilic polymer composition for prosthetic devices
GB1511901A (en) * 1974-05-06 1978-05-24 Bausch & Lomb Forming lenses and lens blanks
JPS5417559A (en) * 1977-07-11 1979-02-08 Hitachi Ltd Heating surface with minute respiration holes
FR2416104A1 (fr) * 1978-02-07 1979-08-31 Essilor Int Dispositif de moulage, en particulier pour lentille de contact souple

Also Published As

Publication number Publication date
DK160836C (da) 1991-10-07
BR8202377A (pt) 1983-04-05
NO160007B (no) 1988-11-21
ZA822932B (en) 1983-03-30
DK160836B (da) 1991-04-22
MX162398A (es) 1991-05-06
NO160007C (no) 1989-03-01
JPS57189116A (en) 1982-11-20
EP0064381A2 (en) 1982-11-10
EP0064381B1 (en) 1987-03-18
DE3275710D1 (en) 1987-04-23
JPH0449093B2 (sv) 1992-08-10
GB2097805A (en) 1982-11-10
CA1213997A (en) 1986-11-12
FI70232C (fi) 1986-09-15
NZ200362A (en) 1985-10-11
FI821509L (fi) 1982-10-31
IL65618A0 (en) 1982-07-30
AU555933B2 (en) 1986-10-16
IL65618A (en) 1985-06-30
DK191782A (sv) 1982-10-31
EP0064381A3 (en) 1983-06-22
ATE25944T1 (de) 1987-04-15
GB2097805B (en) 1985-01-03
NO821400L (no) 1982-11-01
FI821509A0 (fi) 1982-04-29
AU8313282A (en) 1982-11-04

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MM Patent lapsed

Owner name: VISTAKON, INC.