NL140454B - Werkwijze voor het vervaardigen van contactlenzen. - Google Patents

Werkwijze voor het vervaardigen van contactlenzen.

Info

Publication number
NL140454B
NL140454B NL646410392A NL6410392A NL140454B NL 140454 B NL140454 B NL 140454B NL 646410392 A NL646410392 A NL 646410392A NL 6410392 A NL6410392 A NL 6410392A NL 140454 B NL140454 B NL 140454B
Authority
NL
Netherlands
Prior art keywords
procedure
manufacture
contact lenses
lenses
contact
Prior art date
Application number
NL646410392A
Other languages
English (en)
Other versions
NL6410392A (nl
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=5393629&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL140454(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ceskoslovenska Akademie Ved filed Critical Ceskoslovenska Akademie Ved
Publication of NL6410392A publication Critical patent/NL6410392A/xx
Publication of NL140454B publication Critical patent/NL140454B/nl

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/0009—After-treatment of articles without altering their shape; Apparatus therefor using liquids, e.g. solvents, swelling agents
    • 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
    • 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
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00038—Production of contact lenses
    • B29D11/00067—Hydrating contact lenses
    • 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
    • B29D11/00932—Combined cutting and grinding thereof
    • 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
    • B29D11/00932—Combined cutting and grinding thereof
    • B29D11/00942—Combined cutting and grinding thereof where the lens material is mounted in a support for mounting onto a cutting device, e.g. a lathe, and where the support is of machinable material, e.g. plastics
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808—Lens mold

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
NL646410392A 1963-09-07 1964-09-07 Werkwijze voor het vervaardigen van contactlenzen. NL140454B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS497163 1963-09-07

Publications (2)

Publication Number Publication Date
NL6410392A NL6410392A (nl) 1965-03-08
NL140454B true NL140454B (nl) 1973-12-17

Family

ID=5393629

Family Applications (1)

Application Number Title Priority Date Filing Date
NL646410392A NL140454B (nl) 1963-09-07 1964-09-07 Werkwijze voor het vervaardigen van contactlenzen.

Country Status (9)

Country Link
US (2) US3361858A (nl)
AT (1) AT245287B (nl)
BE (1) BE652737A (nl)
DE (1) DE1495381B2 (nl)
DK (1) DK111391B (nl)
ES (1) ES303817A1 (nl)
GB (1) GB1035877A (nl)
NL (1) NL140454B (nl)
SE (1) SE308603B (nl)

Families Citing this family (113)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1570359B2 (de) * 1964-07-02 1970-12-10 Ceskoslovenskä akademie v§d, Prag Verfahren zur Herstellung von Kontaktlinsen
US3503942A (en) * 1965-10-23 1970-03-31 Maurice Seiderman Hydrophilic plastic contact lens
AT265699B (de) * 1966-02-15 1968-10-25 Ceskoslovenska Akademie Ved Verfahren zur Herstellung von Linsen mit asphärischen Flächen aus Plasten
DE1704530B2 (de) * 1966-02-22 1977-01-27 Ceskoslovenska Akademie Ved, Prag Verfahren zum spanabhebenden, schleifenden oder polierenden bearbeiten einer trockenen kontaktlinse aus einem hydrogel
US3488111A (en) * 1967-03-16 1970-01-06 Nat Patent Dev Corp Hydrophilic hydrogel corneal contact lens with hard central insert
US3655129A (en) * 1968-07-17 1972-04-11 Ppg Industries Inc Slow release films and methods of making same
US3822089A (en) * 1968-09-25 1974-07-02 Akademie Ved Contact lens blank or replica made from anhydrous, sparingly cross-linked hydrophilic copolymers
US3689673A (en) * 1970-11-10 1972-09-05 Barnes Hind Pharm Inc The process of soaking and sterilizing hydrophilic soft contact lenses with chlorhexidene
US3951528A (en) * 1971-06-02 1976-04-20 Patent Structures, Inc. Method of making polymeric contact lens
CS153765B1 (nl) * 1971-10-14 1974-03-29
US4093361A (en) * 1971-11-15 1978-06-06 Precision Cosmet Co., Inc. Composite prosthetic polymeric devices
US3931373A (en) * 1971-12-21 1976-01-06 J. O. Beattie Research Company Replication processes for producing plastic optical components
US3880818A (en) * 1972-01-03 1975-04-29 Mitchel Shen Physiologically compatible plastic contact lenses and a method for their production
CS159428B1 (nl) * 1972-02-01 1975-01-31
US3786812A (en) * 1972-03-10 1974-01-22 C Neefe Contact lens for olar drug delivery
GB1439132A (en) * 1972-03-13 1976-06-09 Special Polymers Ltd Method for the production of a hydrophilic polymer product
US3948841A (en) * 1972-05-22 1976-04-06 Karel Dusek Process for producing transparent gels with improved mechanical and sorption properties from copolymers of 2-hydroxyethyl methacrylate and amides of acrylic or methacrylic acid
US3867329A (en) * 1972-08-25 1975-02-18 Polysciences Inc Composition for a hydrogel dilator article of manufacture and method for making same
US3841598A (en) * 1972-09-19 1974-10-15 B Grucza A mold for casting a hydrophilic contact lens blank
US3876581A (en) * 1972-10-10 1975-04-08 Erickson Polymer Corp Hydrophilic polymer composition for prosthetic devices
US4079021A (en) * 1972-11-06 1978-03-14 Ceskoslovenska Akademie Ved Polymeric carrier for a controlled synthesis of peptides
US3894129A (en) * 1973-03-15 1975-07-08 American Optical Corp Method of manufacture of strain free contact lenses
US4067839A (en) * 1973-04-04 1978-01-10 Itek Corporation Hydrophilic copolymer of N,N-(C1 -C2 alkyl) acrylamide
US3878175A (en) * 1973-07-27 1975-04-15 Plastik Devices Inc Highly absorbent spongy polymer materials
US4031037A (en) * 1973-08-29 1977-06-21 Jaroslav Kalal Three-dimensional polymeric gel materials containing phosphoric acid residues capable of dissociation and a method for their preparation
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US3984485A (en) * 1973-10-09 1976-10-05 Neefe Charles W Wettable polymeric materials prepared from 2-50% by wt. N-(1,1-dimethyl-3-oxobutyl)acrylamide, 2.5% by wt. crosslinking agent and methyl methacrylate
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US3957741A (en) * 1974-01-17 1976-05-18 California Institute Of Technology Crosslinked, porous, polyacrylate beads
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US4121885A (en) * 1974-04-29 1978-10-24 Precision Cosmet Co., Inc. Method to produce a composite contact lens
US4197266A (en) * 1974-05-06 1980-04-08 Bausch & Lomb Incorporated Method for forming optical lenses
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JPS543738B2 (nl) * 1974-05-27 1979-02-26
AR207867A1 (es) * 1974-07-04 1976-11-08 Smith & Nephew Res Un copolimero hidrogel ligeramente entrelazado
CS175082B1 (nl) * 1974-08-28 1977-04-29
US4060678A (en) * 1975-02-11 1977-11-29 Plastomedical Sciences, Inc. Cationic hydrogels based on hydroxyalkyl acrylates and methacrylates
US4071508A (en) * 1975-02-11 1978-01-31 Plastomedical Sciences, Inc. Anionic hydrogels based on hydroxyalkyl acrylates and methacrylates
US3979891A (en) * 1975-03-07 1976-09-14 Patton Orvil D Pneumatic fruit harvester
US4022855A (en) * 1975-03-17 1977-05-10 Eastman Kodak Company Method for making a plastic optical element having a gradient index of refraction
US4068933A (en) * 1975-03-18 1978-01-17 Maurice Seiderman Fenestrated hydrogels for contact lens use and method for making same
US4152508A (en) * 1978-02-15 1979-05-01 Polymer Technology Corporation Silicone-containing hard contact lens material
US4170616A (en) * 1978-05-30 1979-10-09 Rca Corporation Method of fabrication of a Fresnel lens
US4322139A (en) * 1978-06-21 1982-03-30 Spofa, Spojene Podniky Pro Zdravotnickou Vyrobu Hydrophilic-gel contact lenses adapted into a planarized xerogel state and method for making the same
US4208365A (en) * 1978-12-20 1980-06-17 National Patent Development Corporation Method and apparatus for molding toric contact lenses
US4298002A (en) * 1979-09-10 1981-11-03 National Patent Development Corporation Porous hydrophilic materials, chambers therefrom, and devices comprising such chambers and biologically active tissue and methods of preparation
WO1982000147A1 (en) * 1980-07-08 1982-01-21 Co B F Goodrich Hydrophilic interpolymers of acrylic acid and an acrylate
US4555372A (en) * 1981-03-23 1985-11-26 Bausch & Lomb Incorporated Rotational molding of contact lenses
DE3117474A1 (de) * 1981-05-02 1982-11-18 Fa. Carl Zeiss, 7920 Heidenheim Verfahren und vorrichtung zum herstellen von formteilen mit asphaerischen oberflaechen
IL62899A0 (nl) * 1981-05-18 1981-07-31
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US5507805A (en) * 1982-05-03 1996-04-16 American Cyanamid Company Intraocular lens and method of retaining in place
US4450262A (en) * 1982-08-11 1984-05-22 Diamond Shamrock Chemicals Company Hydrophilic copolymer compositions useful as contact lenses
US4459246A (en) * 1982-08-26 1984-07-10 Neefe Charles W Molding contact lenses using a directed stream of gas
US4590018A (en) * 1982-09-13 1986-05-20 Neefe Charles W Method of improving spin cast lenses
US4597918A (en) * 1982-09-13 1986-07-01 Neefe Charles W Method of removing soft contact lenses from the mold
US4457880A (en) * 1983-02-15 1984-07-03 Neefe Charles W Method of making contact lens blanks
US4840992A (en) * 1983-06-03 1989-06-20 Minnesota Mining And Manufacturing Company Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)
US4694037A (en) * 1983-06-03 1987-09-15 Minnesota Mining And Manufacturing Company Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)
US4921908A (en) * 1983-06-03 1990-05-01 Minnesota Mining And Manufacturing Company Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)
US4528325A (en) * 1983-06-03 1985-07-09 Minnesota Mining And Manufacturing Co. Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)
US4618649A (en) * 1983-06-03 1986-10-21 Minnesota Mining And Manufacturing Company Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)
US4693939A (en) * 1983-06-03 1987-09-15 Minnesota Mining And Manufacturing Company Article coated with copolymer of poly(vinyl alcohol)
US4780514A (en) * 1983-06-03 1988-10-25 Minnesota Mining And Manufacturing Company Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)
US4673539A (en) * 1983-06-03 1987-06-16 Minnesota Mining And Manufacturing Company Process for thermoformed articles
GB2144749B (en) * 1983-08-09 1986-10-08 Plastomedical Sciences Inc Disposable, hydrogel soft cantact lenses
US4540532A (en) * 1984-02-02 1985-09-10 Coburn Optical Industries, Inc. Method and apparatus for molding ophthalmic lenses
CS249989B1 (en) * 1984-04-06 1987-04-16 Otto Wichterle Hydrophilic thre-dimensional polymer and method of its production
CS256889B1 (en) * 1984-04-20 1988-04-15 Otto Wichterle Method of contact lenses' centrifugal casting in open moulds and equipment for realization of this method
GB2163653B (en) * 1984-08-16 1988-05-18 Siepser Steven B Dry artificial intraocular lenses and method for their surgical implantation
US4680336A (en) * 1984-11-21 1987-07-14 Vistakon, Inc. Method of forming shaped hydrogel articles
US4541969A (en) * 1984-12-03 1985-09-17 Neefe Charles W Method of making toric spin cast lenses
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US5135965A (en) * 1984-12-18 1992-08-04 T. R. Developments, Ltd. Hydrogel-forming polymers used in intraocular lenses
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US4636338A (en) * 1985-01-11 1987-01-13 Neefe Charles W Molding toric contact lenses using a directed stream of gas
GB8508247D0 (en) * 1985-03-29 1985-05-09 Sola Int Holdings Contact lenses
US4786446A (en) * 1985-05-17 1988-11-22 Minnesota Mining And Manufacturing Company Process of forming a hydroxy-substitute polymeric shaped article
CS252224B1 (en) * 1985-07-31 1987-08-13 Otto Wichterle Hydrophilic copolymer suitable eapecially for contact lenses and medicinal utilization and method of its producion
CS256437B1 (en) * 1985-09-04 1988-04-15 Otto Wichterle Hydrophilic copolymer especially for contact lenses and medicinal application and method of its production
CA1267512A (en) * 1985-09-04 1990-04-10 Otto Wichterle Method for the preparation of precast elements for the production of contact lenses by mechanical working
EP0226123A3 (en) * 1985-12-03 1988-08-10 Matsushita Electric Industrial Co., Ltd. Method for producing transparent plastic article
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US5143659A (en) * 1989-10-04 1992-09-01 Eastman Kodak Company Method and apparatus for manufacturing aspherically shaped small lenses
US5094609A (en) * 1990-04-17 1992-03-10 Vistakon, Inc. Chamber for hydrating contact lenses
US5080839A (en) * 1990-04-17 1992-01-14 Johnson & Johnson Vision Products, Inc. Process for hydrating soft contact lenses
US5118760A (en) * 1990-12-26 1992-06-02 Eastman Kodak Company Impact resistant polymer blends
US5260000A (en) * 1992-08-03 1993-11-09 Bausch & Lomb Incorporated Process for making silicone containing hydrogel lenses
US5260001A (en) * 1992-08-03 1993-11-09 Bausch & Lomb Incorporated Spincasting process for producing a series of contact lenses having desired shapes
US5480950A (en) * 1992-09-28 1996-01-02 Kabi Pharmacia Ophthalmics, Inc. High refractive index hydrogels and uses thereof
US5316704B1 (en) * 1992-09-28 1996-05-21 Kabi Pharmacia Ophthalmics Inc Process for fabricating full sized expansible hydrogel intraocular lenses
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US5439950A (en) * 1994-06-27 1995-08-08 Kabi Pharmacia Ophthalmics, Inc. Water miscible non-hydrolyzable cross-linkers and high refractive index hydrogels prepared therewith
US5718862A (en) * 1996-04-24 1998-02-17 Hercules Incorporated Secondary shaping of ionically crosslinked polymer compositions for medical devices
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US5913862A (en) * 1997-04-25 1999-06-22 James Ramsey Umbilical cord cutting and clamping device
US6020445A (en) * 1997-10-09 2000-02-01 Johnson & Johnson Vision Products, Inc. Silicone hydrogel polymers
US20040091613A1 (en) * 2002-11-13 2004-05-13 Wood Joe M. Methods for the extraction of contact lenses
EP4097155A4 (en) 2020-01-27 2024-01-24 Clearlab SG Pte Ltd ACTINICALLY CROSS-LINKABLE POLYSILOXANE-POLYGLYCERIN BLOCK COPOLYMERS, METHOD FOR THEIR PRODUCTION AND USE THEREOF

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2332930A (en) * 1939-10-21 1943-10-26 Rinia Herre Optical element
US3030859A (en) * 1959-05-25 1962-04-24 Jr Daniel O Elliott Method of making contact lenses

Also Published As

Publication number Publication date
DE1495381A1 (de) 1969-09-25
NL6410392A (nl) 1965-03-08
US3699089A (en) 1972-10-17
ES303817A1 (es) 1965-03-01
SE308603B (nl) 1969-02-17
DE1495381B2 (de) 1971-06-24
GB1035877A (en) 1966-07-13
US3361858A (en) 1968-01-02
AT245287B (de) 1966-02-25
BE652737A (nl) 1964-12-31
DK111391B (da) 1968-08-12

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Legal Events

Date Code Title Description
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: CESKOSLOVENSKA

V4 Discontinued because of reaching the maximum lifetime of a patent