GB2108701A - Borate crosslinked polyvinyl alcohol contact lens - Google Patents

Borate crosslinked polyvinyl alcohol contact lens Download PDF

Info

Publication number
GB2108701A
GB2108701A GB08228040A GB8228040A GB2108701A GB 2108701 A GB2108701 A GB 2108701A GB 08228040 A GB08228040 A GB 08228040A GB 8228040 A GB8228040 A GB 8228040A GB 2108701 A GB2108701 A GB 2108701A
Authority
GB
United Kingdom
Prior art keywords
polyvinyl alcohol
borate
contact lens
lens
weight
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.)
Withdrawn
Application number
GB08228040A
Other languages
English (en)
Inventor
Ping I Lee
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.)
Agripat AG
Original Assignee
Agripat AG
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 Agripat AG filed Critical Agripat AG
Publication of GB2108701A publication Critical patent/GB2108701A/en
Withdrawn legal-status Critical Current

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
    • 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
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/42—Introducing metal atoms or metal-containing groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/38—Boron-containing compounds
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Eyeglasses (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
GB08228040A 1981-10-05 1982-10-01 Borate crosslinked polyvinyl alcohol contact lens Withdrawn GB2108701A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30874281A 1981-10-05 1981-10-05

Publications (1)

Publication Number Publication Date
GB2108701A true GB2108701A (en) 1983-05-18

Family

ID=23195206

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08228040A Withdrawn GB2108701A (en) 1981-10-05 1982-10-01 Borate crosslinked polyvinyl alcohol contact lens

Country Status (14)

Country Link
EP (1) EP0077295A1 (enrdf_load_stackoverflow)
JP (1) JPS5875111A (enrdf_load_stackoverflow)
KR (1) KR840001473A (enrdf_load_stackoverflow)
AU (1) AU8897682A (enrdf_load_stackoverflow)
BR (1) BR8205798A (enrdf_load_stackoverflow)
DK (1) DK439882A (enrdf_load_stackoverflow)
ES (1) ES8400927A1 (enrdf_load_stackoverflow)
FI (1) FI823355L (enrdf_load_stackoverflow)
GB (1) GB2108701A (enrdf_load_stackoverflow)
GR (1) GR76755B (enrdf_load_stackoverflow)
IL (1) IL66929A0 (enrdf_load_stackoverflow)
NO (1) NO823334L (enrdf_load_stackoverflow)
PT (1) PT75635B (enrdf_load_stackoverflow)
ZA (1) ZA827255B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119957A (en) * 1982-04-29 1983-11-23 Agripat Sa Annealed polyvinyl alcohol contact lens

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598122A (en) * 1985-01-22 1986-07-01 Ciba-Geigy Corporation Polyoxirane crosslinked polyvinyl alcohol hydrogel contact lens
JP2552472B2 (ja) * 1987-03-05 1996-11-13 株式会社 日本コンタクトレンズ コンタクトレンズの製造方法
US4978713A (en) * 1987-12-16 1990-12-18 Ciba-Geigy Corporation Polyvinyl alcohol derivatives containing pendant vinylic monomer reaction product units bound through ether groups and hydrogel contact lenses made therefrom
EP3562846B1 (en) * 2016-12-30 2023-03-08 Dow Global Technologies LLC Resin beads and use in processing of aqueous solutions
CN113509918B (zh) * 2020-11-25 2022-06-10 中国科学院青海盐湖研究所 一种用于液体铷铯资源提取的杂多酸盐离子筛吸附剂颗粒制备方法
JP7687056B2 (ja) * 2021-05-28 2025-06-03 株式会社リコー 有機無機複合ハイドロゲル前駆体液、ハイドロゲル造形物、及びハイドロゲル造形物の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886112A (en) * 1973-12-17 1975-05-27 Polymer Films Inc Polyvinyl alcohol based composition and articles made therefrom

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119957A (en) * 1982-04-29 1983-11-23 Agripat Sa Annealed polyvinyl alcohol contact lens

Also Published As

Publication number Publication date
FI823355A7 (fi) 1983-04-06
ES516195A0 (es) 1983-12-16
ZA827255B (en) 1983-08-31
NO823334L (no) 1983-04-06
DK439882A (da) 1983-04-06
EP0077295A1 (de) 1983-04-20
ES8400927A1 (es) 1983-12-16
KR840001473A (ko) 1984-05-07
PT75635B (en) 1986-05-07
AU8897682A (en) 1983-04-14
BR8205798A (pt) 1983-09-06
FI823355A0 (fi) 1982-10-01
PT75635A (en) 1982-11-01
GR76755B (enrdf_load_stackoverflow) 1984-08-31
JPS5875111A (ja) 1983-05-06
FI823355L (fi) 1983-04-06
IL66929A0 (en) 1983-02-23

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)