AU583554B2 - Soft contact-optical objects - Google Patents

Soft contact-optical objects

Info

Publication number
AU583554B2
AU583554B2 AU50344/85A AU5034485A AU583554B2 AU 583554 B2 AU583554 B2 AU 583554B2 AU 50344/85 A AU50344/85 A AU 50344/85A AU 5034485 A AU5034485 A AU 5034485A AU 583554 B2 AU583554 B2 AU 583554B2
Authority
AU
Australia
Prior art keywords
soft contact
optical objects
contact
lenses
optical
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.)
Ceased
Application number
AU50344/85A
Other versions
AU5034485A (en
Inventor
Otto-Christian Geyer
Frank Wingler
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Publication of AU5034485A publication Critical patent/AU5034485A/en
Application granted granted Critical
Publication of AU583554B2 publication Critical patent/AU583554B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Eyeglasses (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Glass Compositions (AREA)
  • Push-Button Switches (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Optical Integrated Circuits (AREA)

Abstract

1. Contact-optical items, especially contact lenses and scleral lenses, composed of water-absorbing, crosslinked copolymers of olefinically unsaturated monomers, characterized in that the copolymer contains polymerized in 5 to 55% by weight of a N-vinylamide of the general formula see diagramm : EP0184729,P6,F2 in which R and R' represent, independently of one another, C1 -C4 -alkyl groups.
AU50344/85A 1984-12-11 1985-11-25 Soft contact-optical objects Ceased AU583554B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843445094 DE3445094A1 (en) 1984-12-11 1984-12-11 SOFT CONTACT OPTICAL ITEMS
DE3445094 1984-12-11

Publications (2)

Publication Number Publication Date
AU5034485A AU5034485A (en) 1986-06-19
AU583554B2 true AU583554B2 (en) 1989-05-04

Family

ID=6252445

Family Applications (1)

Application Number Title Priority Date Filing Date
AU50344/85A Ceased AU583554B2 (en) 1984-12-11 1985-11-25 Soft contact-optical objects

Country Status (9)

Country Link
EP (1) EP0184729B1 (en)
CN (1) CN1005290B (en)
AT (1) ATE45429T1 (en)
AU (1) AU583554B2 (en)
BR (1) BR8506182A (en)
CA (1) CA1260193A (en)
DE (2) DE3445094A1 (en)
NZ (1) NZ214485A (en)
ZA (1) ZA859420B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3823317A1 (en) * 1988-07-09 1990-02-08 Bayer Ag BLANKS FOR CONTACT OPTICAL ITEMS
DE4423303C2 (en) * 1994-07-02 2000-05-31 Woehlk Contact Linsen Gmbh Hydrophilic, crosslinked copolymers based on N-vinylformamide, process for their preparation and their use
US5760100B1 (en) 1994-09-06 2000-11-14 Ciba Vision Corp Extended wear ophthalmic lens
US7468398B2 (en) 1994-09-06 2008-12-23 Ciba Vision Corporation Extended wear ophthalmic lens

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4868679A (en) * 1978-07-06 1980-01-10 Hoechst A.G. N-vinylamide polymers
AU6484980A (en) * 1980-11-04 1982-05-21 Nicholas Mario Da Costa Cross-linked hydrophilic polymers
AU5102085A (en) * 1985-01-11 1986-07-17 Mattel, Inc. Record engraving apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1394056A (en) * 1971-07-21 1975-05-14 Nat Res Dev Contact lenses
US4182802A (en) * 1977-12-27 1980-01-08 Samuel Loshaek Hydrophilic polymers and contact lenses of high water content
JPS59195621A (en) * 1983-04-22 1984-11-06 Toyo Contact Lens Co Ltd Soft contact lens

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4868679A (en) * 1978-07-06 1980-01-10 Hoechst A.G. N-vinylamide polymers
AU6484980A (en) * 1980-11-04 1982-05-21 Nicholas Mario Da Costa Cross-linked hydrophilic polymers
AU5102085A (en) * 1985-01-11 1986-07-17 Mattel, Inc. Record engraving apparatus

Also Published As

Publication number Publication date
EP0184729B1 (en) 1989-08-09
EP0184729A2 (en) 1986-06-18
CN85108859A (en) 1986-06-10
ATE45429T1 (en) 1989-08-15
DE3445094A1 (en) 1986-06-19
ZA859420B (en) 1986-08-27
BR8506182A (en) 1986-08-26
CA1260193A (en) 1989-09-26
CN1005290B (en) 1989-09-27
DE3572225D1 (en) 1989-09-14
EP0184729A3 (en) 1987-09-30
AU5034485A (en) 1986-06-19
NZ214485A (en) 1988-10-28

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