DE68907310T2 - Weiche Kontaktlinsen mit hohem Wassergehalt. - Google Patents

Weiche Kontaktlinsen mit hohem Wassergehalt.

Info

Publication number
DE68907310T2
DE68907310T2 DE89117912T DE68907310T DE68907310T2 DE 68907310 T2 DE68907310 T2 DE 68907310T2 DE 89117912 T DE89117912 T DE 89117912T DE 68907310 T DE68907310 T DE 68907310T DE 68907310 T2 DE68907310 T2 DE 68907310T2
Authority
DE
Germany
Prior art keywords
water content
high water
contact lenses
soft contact
soft
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 - Lifetime
Application number
DE89117912T
Other languages
English (en)
Other versions
DE68907310D1 (de
Inventor
Hidejuki Futamura
Yuuichi Yokoyama
Makoto Tuschiya
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.)
Hoya Corp
Original Assignee
Hoya Corp
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 Hoya Corp filed Critical Hoya Corp
Application granted granted Critical
Publication of DE68907310D1 publication Critical patent/DE68907310D1/de
Publication of DE68907310T2 publication Critical patent/DE68907310T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C08F226/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
    • C08F226/06—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
    • C08F226/10—N-Vinyl-pyrrolidone
    • 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

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Eyeglasses (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
DE89117912T 1988-09-30 1989-09-28 Weiche Kontaktlinsen mit hohem Wassergehalt. Expired - Lifetime DE68907310T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24638188 1988-09-30

Publications (2)

Publication Number Publication Date
DE68907310D1 DE68907310D1 (de) 1993-07-29
DE68907310T2 true DE68907310T2 (de) 1993-11-25

Family

ID=17147696

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89117912T Expired - Lifetime DE68907310T2 (de) 1988-09-30 1989-09-28 Weiche Kontaktlinsen mit hohem Wassergehalt.

Country Status (4)

Country Link
US (1) US5073616A (de)
EP (1) EP0366931B1 (de)
CA (1) CA1340814C (de)
DE (1) DE68907310T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992009639A2 (en) * 1990-11-27 1992-06-11 Bausch & Lomb Incorporated Surface-active macromonomers
US5298533A (en) * 1992-12-02 1994-03-29 Bausch & Lomb Incorporated Polymer compositions for contact lenses
JPH11249084A (ja) * 1998-03-06 1999-09-17 Kuraray Co Ltd 眼用レンズ材料およびその製造方法
EP3086162B1 (de) * 2013-12-16 2019-04-17 Menicon Co., Ltd. Augenlinse
US11008413B1 (en) * 2017-03-18 2021-05-18 Verily Life Sciences Llc Biocompatible materials for underlid device fabrication

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182822A (en) * 1976-11-08 1980-01-08 Chang Sing Hsiung Hydrophilic, soft and oxygen permeable copolymer composition
DE3627969A1 (de) * 1986-08-18 1988-02-25 Basf Ag Copolymerisate, ihre verwendung als haarfixiermittel und diese enthaltende haarfixiermittel

Also Published As

Publication number Publication date
US5073616A (en) 1991-12-17
CA1340814C (en) 1999-11-02
DE68907310D1 (de) 1993-07-29
EP0366931B1 (de) 1993-06-23
EP0366931A1 (de) 1990-05-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee