IT973176B - Lenti a contatto di materiale pla stico fisiologicamente tollerabili e metodo per la loro produzione - Google Patents

Lenti a contatto di materiale pla stico fisiologicamente tollerabili e metodo per la loro produzione

Info

Publication number
IT973176B
IT973176B IT33891/72A IT3389172A IT973176B IT 973176 B IT973176 B IT 973176B IT 33891/72 A IT33891/72 A IT 33891/72A IT 3389172 A IT3389172 A IT 3389172A IT 973176 B IT973176 B IT 973176B
Authority
IT
Italy
Prior art keywords
production
plastic material
contact lenses
physiologically tolerable
tolerable contact
Prior art date
Application number
IT33891/72A
Other languages
English (en)
Original Assignee
Biocontacts
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 Biocontacts filed Critical Biocontacts
Application granted granted Critical
Publication of IT973176B publication Critical patent/IT973176B/it

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
    • C08F8/14—Esterification
    • 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
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/20—Chemical modification of a polymer leading to a crosslinking, either explicitly or inherently
    • 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
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/936—Physiological use, e.g. pharmaceutical, veterinary, dental

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Ophthalmology & Optometry (AREA)
  • Manufacturing & Machinery (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)
IT33891/72A 1972-01-03 1972-12-29 Lenti a contatto di materiale pla stico fisiologicamente tollerabili e metodo per la loro produzione IT973176B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21513772A 1972-01-03 1972-01-03
US00310865A US3850892A (en) 1972-01-03 1972-11-30 Physiologically compatible plastic contact lenses and a method for their production

Publications (1)

Publication Number Publication Date
IT973176B true IT973176B (it) 1974-06-10

Family

ID=26909745

Family Applications (1)

Application Number Title Priority Date Filing Date
IT33891/72A IT973176B (it) 1972-01-03 1972-12-29 Lenti a contatto di materiale pla stico fisiologicamente tollerabili e metodo per la loro produzione

Country Status (2)

Country Link
US (1) US3850892A (it)
IT (1) IT973176B (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985697A (en) * 1972-10-18 1976-10-12 Uroptics International Incorporated Hydrophilic contact lens material
CS173201B1 (it) * 1974-02-13 1977-02-28
US4028295A (en) * 1976-01-08 1977-06-07 Wesley-Jessen Inc. Hydrophilic polymer and contact lens
US4113686A (en) * 1977-06-09 1978-09-12 Burton, Parsons And Company, Inc. Hydrophilic contact lenses and lens polymer
JPS6024807B2 (ja) * 1979-02-19 1985-06-14 昭和電工株式会社 高吸水性ヒドロゲルの製造方法
DE2941586A1 (de) * 1979-10-13 1981-04-23 Bayer Ag, 5090 Leverkusen Kontaktlinsen aus methacrylsaeuremethylester-copolymerisaten
CA1184367A (en) * 1981-06-22 1985-03-26 Novartis Ag Process for producing shaped articles having improved surfaces
US4379893A (en) * 1981-08-26 1983-04-12 Diamond Shamrock Corporation Surface-treated soft contact lenses
JPS58104286A (ja) * 1981-12-16 1983-06-21 ジェイエスアール株式会社 着色された成形品の製造方法
US4711944A (en) * 1982-08-17 1987-12-08 Union Carbide Corporation Humidity resistant coating employing branched polymers of t-butyl acrylate
US4536267A (en) * 1983-04-01 1985-08-20 Matsushita Electric Industrial Co., Ltd. Plastic lens of neopentyl glycol dimethacrylate copolymerized with methoxy diethylene glycol methacrylate or diethylene glycol dimethacrylate
US4569858A (en) * 1985-01-28 1986-02-11 Barnes-Hind, Inc. Surface modification of hydrophilic contact lenses
US4687816A (en) * 1985-08-14 1987-08-18 Sola U.S.A. Inc. Surface treatment of soft contact lenses
US4668446A (en) * 1985-09-27 1987-05-26 Cilco, Inc. Process for making soft contact and intraocular lenses with an esterifiable carboxyl-containing polymer
JPH073517B2 (ja) * 1985-11-29 1995-01-18 チバ―ガイギー アクチエンゲゼルシャフト 非含水型ソフトコンタクトレンズおよびその製造方法
US4882403A (en) * 1987-05-29 1989-11-21 Japan Synthetic Rubber Co., Ltd. Non-hydrous soft contact lens and process for producing the same
US4964206A (en) * 1988-03-15 1990-10-23 Minnesota Mining And Manufacturing Company Intraocular lens anchoring filament to lens element fixation method
US4936849A (en) * 1988-03-15 1990-06-26 Minnesota Mining And Manufacturing Company Intraocular lens
JP2798468B2 (ja) * 1990-02-28 1998-09-17 ホーヤ株式会社 コンタクトレンズ材料及びコンタクトレンズの製造方法
US5290892A (en) * 1990-11-07 1994-03-01 Nestle S.A. Flexible intraocular lenses made from high refractive index polymers
JPH04293959A (ja) * 1991-03-25 1992-10-19 Nippon Petrochem Co Ltd 熱可塑性樹脂組成物
DE4306537A1 (de) * 1993-03-03 1994-09-08 Goldschmidt Ag Th Polymethacrylsäureester, deren Estergruppen in alpha- und gegebenenfalls zusätzlich in omega-Stellung von den in der Kette befindlichen Estergruppen abweichen
US5723541A (en) * 1993-06-16 1998-03-03 Rasor Associates, Inc. Ocular lens composition and method of formation
PT774983E (pt) * 1995-06-07 2003-03-31 Alcon Lab Inc Materiais melhorados para lentes oftalmicas com elevado indice de refraccao
EP1035142A1 (en) * 1999-03-09 2000-09-13 Nidek Co., Ltd. Acrylic copolymer materials suitable for ophthalmic devices
US6528602B1 (en) 1999-09-07 2003-03-04 Alcon Universal Ltd. Foldable ophthalmic and otorhinolaryngological device materials

Also Published As

Publication number Publication date
US3850892A (en) 1974-11-26

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