GB2223018B - Contact lenses of improved oxygen permeability - Google Patents

Contact lenses of improved oxygen permeability

Info

Publication number
GB2223018B
GB2223018B GB8924830A GB8924830A GB2223018B GB 2223018 B GB2223018 B GB 2223018B GB 8924830 A GB8924830 A GB 8924830A GB 8924830 A GB8924830 A GB 8924830A GB 2223018 B GB2223018 B GB 2223018B
Authority
GB
United Kingdom
Prior art keywords
contact lenses
oxygen permeability
improved oxygen
improved
permeability
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB8924830A
Other versions
GB8924830D0 (en
GB2223018A (en
Inventor
Dwain Chapman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FUSED KONTACTS
Original Assignee
FUSED KONTACTS
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
Priority claimed from US06/754,590 external-priority patent/US4709066A/en
Application filed by FUSED KONTACTS filed Critical FUSED KONTACTS
Publication of GB8924830D0 publication Critical patent/GB8924830D0/en
Publication of GB2223018A publication Critical patent/GB2223018A/en
Application granted granted Critical
Publication of GB2223018B publication Critical patent/GB2223018B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C08F230/08—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 silicon
    • 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 Table
    • C07F7/02—Silicon compounds
    • C07F7/025—Silicon compounds without C-silicon linkages
    • 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 Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
    • C07F7/1804—Compounds having Si-O-C linkages
    • 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 Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
    • C07F7/1896—Compounds having one or more Si-O-acyl linkages
    • 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

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
GB8924830A 1985-07-15 1989-11-03 Contact lenses of improved oxygen permeability Expired - Fee Related GB2223018B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/754,590 US4709066A (en) 1985-07-15 1985-07-15 Acrylic silicate compositions and methods and highly oxygen-permeable polyacrylates made therefrom
GB8617230A GB2179041B (en) 1985-07-15 1986-07-15 Acrylic silicate compositions and methods and highly oxygen-permeable polyacrylates made therefrom

Publications (3)

Publication Number Publication Date
GB8924830D0 GB8924830D0 (en) 1989-12-20
GB2223018A GB2223018A (en) 1990-03-28
GB2223018B true GB2223018B (en) 1990-07-04

Family

ID=26291033

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8924830A Expired - Fee Related GB2223018B (en) 1985-07-15 1989-11-03 Contact lenses of improved oxygen permeability

Country Status (1)

Country Link
GB (1) GB2223018B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6580000B1 (en) 2002-06-06 2003-06-17 Ak Research Company Process for the manufacture of alkoxysilanes and alkoxy orthosilicates

Also Published As

Publication number Publication date
GB8924830D0 (en) 1989-12-20
GB2223018A (en) 1990-03-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040715