DK439882A - CONTACT LENSES OF THE BORATE CIRCUIT POLYVINYL ALCOHOL AND PROCEDURES FOR PRODUCING THE SAME - Google Patents

CONTACT LENSES OF THE BORATE CIRCUIT POLYVINYL ALCOHOL AND PROCEDURES FOR PRODUCING THE SAME Download PDF

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Publication number
DK439882A
DK439882A DK439882A DK439882A DK439882A DK 439882 A DK439882 A DK 439882A DK 439882 A DK439882 A DK 439882A DK 439882 A DK439882 A DK 439882A DK 439882 A DK439882 A DK 439882A
Authority
DK
Denmark
Prior art keywords
borate
procedures
producing
circuit
same
Prior art date
Application number
DK439882A
Other languages
Danish (da)
Inventor
Ping I Lee
Original Assignee
Agripat Sa
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 Sa filed Critical Agripat Sa
Publication of DK439882A publication Critical patent/DK439882A/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
    • 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)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Optics & Photonics (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)
DK439882A 1981-10-05 1982-10-04 CONTACT LENSES OF THE BORATE CIRCUIT POLYVINYL ALCOHOL AND PROCEDURES FOR PRODUCING THE SAME DK439882A (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
DK439882A true DK439882A (en) 1983-04-06

Family

ID=23195206

Family Applications (1)

Application Number Title Priority Date Filing Date
DK439882A DK439882A (en) 1981-10-05 1982-10-04 CONTACT LENSES OF THE BORATE CIRCUIT POLYVINYL ALCOHOL AND PROCEDURES FOR PRODUCING THE SAME

Country Status (14)

Country Link
EP (1) EP0077295A1 (en)
JP (1) JPS5875111A (en)
KR (1) KR840001473A (en)
AU (1) AU8897682A (en)
BR (1) BR8205798A (en)
DK (1) DK439882A (en)
ES (1) ES516195A0 (en)
FI (1) FI823355L (en)
GB (1) GB2108701A (en)
GR (1) GR76755B (en)
IL (1) IL66929A0 (en)
NO (1) NO823334L (en)
PT (1) PT75635B (en)
ZA (1) ZA827255B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI831399A7 (en) * 1982-04-29 1983-10-30 Agripat Sa Tempered polyvinyl alcohol contact lens
US4598122A (en) * 1985-01-22 1986-07-01 Ciba-Geigy Corporation Polyoxirane crosslinked polyvinyl alcohol hydrogel contact lens
JP2552472B2 (en) * 1987-03-05 1996-11-13 株式会社 日本コンタクトレンズ Contact lens manufacturing method
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
JP6867490B2 (en) * 2016-12-30 2021-04-28 ダウ グローバル テクノロジーズ エルエルシー Use in the treatment of resin beads and aqueous solutions
CN113509918B (en) * 2020-11-25 2022-06-10 中国科学院青海盐湖研究所 A kind of preparation method of heteropolyacid salt ion sieve adsorbent particles for liquid rubidium cesium resource extraction
JP7687056B2 (en) * 2021-05-28 2025-06-03 株式会社リコー Organic-inorganic composite hydrogel precursor liquid, hydrogel modeled object, and method for manufacturing hydrogel modeled object

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

Also Published As

Publication number Publication date
FI823355A7 (en) 1983-04-06
ES8400927A1 (en) 1983-12-16
AU8897682A (en) 1983-04-14
NO823334L (en) 1983-04-06
GB2108701A (en) 1983-05-18
FI823355L (en) 1983-04-06
ES516195A0 (en) 1983-12-16
FI823355A0 (en) 1982-10-01
IL66929A0 (en) 1983-02-23
ZA827255B (en) 1983-08-31
GR76755B (en) 1984-08-31
PT75635B (en) 1986-05-07
JPS5875111A (en) 1983-05-06
BR8205798A (en) 1983-09-06
KR840001473A (en) 1984-05-07
EP0077295A1 (en) 1983-04-20
PT75635A (en) 1982-11-01

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