IT8621584A1 - Method for the preparation of precolated elements for the production of contact lenses by mechanical processing - Google Patents

Method for the preparation of precolated elements for the production of contact lenses by mechanical processing

Info

Publication number
IT8621584A1
IT8621584A1 IT1986A21584A IT2158486A IT8621584A1 IT 8621584 A1 IT8621584 A1 IT 8621584A1 IT 1986A21584 A IT1986A21584 A IT 1986A21584A IT 2158486 A IT2158486 A IT 2158486A IT 8621584 A1 IT8621584 A1 IT 8621584A1
Authority
IT
Italy
Prior art keywords
precolated
preparation
production
elements
contact lenses
Prior art date
Application number
IT1986A21584A
Other languages
Italian (it)
Other versions
IT1197154B (en
IT8621584A0 (en
Original Assignee
Ceskoslovenska Akademie Ved
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 CS856342A external-priority patent/CS254382B1/en
Priority claimed from CS856343A external-priority patent/CS254383B1/en
Application filed by Ceskoslovenska Akademie Ved filed Critical Ceskoslovenska Akademie Ved
Publication of IT8621584A0 publication Critical patent/IT8621584A0/en
Publication of IT8621584A1 publication Critical patent/IT8621584A1/en
Application granted granted Critical
Publication of IT1197154B publication Critical patent/IT1197154B/en

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
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/02—Chemical treatment or coating of shaped articles made of macromolecular substances with solvents, e.g. swelling agents

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Eyeglasses (AREA)
IT21584/86A 1985-09-04 1986-09-03 METHOD FOR THE PREPARATION OF PRECULATED ELEMENTS FOR THE PRODUCTION OF CONTACT LENSES BY MECHANICAL PROCESSING IT1197154B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CS856342A CS254382B1 (en) 1985-09-04 1985-09-04 Preparation method of the precast unit for machined contact lenses
CS856343A CS254383B1 (en) 1985-09-04 1985-09-04 Preparation method of the precast units for production of the contact lenses by mechanical machining

Publications (3)

Publication Number Publication Date
IT8621584A0 IT8621584A0 (en) 1986-09-03
IT8621584A1 true IT8621584A1 (en) 1988-03-03
IT1197154B IT1197154B (en) 1988-11-30

Family

ID=25746342

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21584/86A IT1197154B (en) 1985-09-04 1986-09-03 METHOD FOR THE PREPARATION OF PRECULATED ELEMENTS FOR THE PRODUCTION OF CONTACT LENSES BY MECHANICAL PROCESSING

Country Status (5)

Country Link
CA (1) CA1267512A (en)
DE (1) DE3630186A1 (en)
FR (1) FR2586612B1 (en)
GB (1) GB2180243B (en)
IT (1) IT1197154B (en)

Families Citing this family (3)

* 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
AU635554B2 (en) * 1989-09-14 1993-03-25 Sing-Hsiung Chang Non-irritating soft gas permeable contact lens and process for producing same
DE19718293A1 (en) * 1997-04-30 1999-03-18 Consortium Elektrochem Ind Process for the production of three-dimensionally cross-linked polymeric materials with broad cholesteric reflection bands and filters, reflectors and polarizers produced by this process

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1495381B2 (en) * 1963-09-07 1971-06-24 Czeskoslovenska akademie ved , Prag METHOD FOR MANUFACTURING CONTACT LENSES OR CONTACT LENS BLOCKS FROM SWELLABLE HYDROGELS
BE787366A (en) * 1971-08-09 1973-02-09 Dow Chemical Co METHOD OF MODIFYING THE SURFACE CONDITION OF PLASTICS
JPS5940168B2 (en) * 1979-08-20 1984-09-28 ツエントラルニ ナウチノ−イススレドバテルスキ インステイチユト シエルチヤノイ プロミシユレンノステイ halogenated azo dye
EP0100381B1 (en) * 1982-07-30 1986-09-17 Hoya Corporation Soft contact lens
EP0129840B1 (en) * 1983-06-24 1988-12-28 Toray Industries, Inc. Method of manufacturing shaped article of hydrogel

Also Published As

Publication number Publication date
IT1197154B (en) 1988-11-30
IT8621584A0 (en) 1986-09-03
GB8621276D0 (en) 1986-10-08
GB2180243A (en) 1987-03-25
FR2586612B1 (en) 1989-08-11
GB2180243B (en) 1989-08-31
DE3630186A1 (en) 1987-03-12
FR2586612A1 (en) 1987-03-06
CA1267512A (en) 1990-04-10

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