ES8407315A1 - Perfeccionamientos introducidos en la fabricacion de vidrio fotocromico apropiado para aplicaciones oftalmicas. - Google Patents

Perfeccionamientos introducidos en la fabricacion de vidrio fotocromico apropiado para aplicaciones oftalmicas.

Info

Publication number
ES8407315A1
ES8407315A1 ES518803A ES518803A ES8407315A1 ES 8407315 A1 ES8407315 A1 ES 8407315A1 ES 518803 A ES518803 A ES 518803A ES 518803 A ES518803 A ES 518803A ES 8407315 A1 ES8407315 A1 ES 8407315A1
Authority
ES
Spain
Prior art keywords
luminous transmittance
lenses
photochromic
image
weight percent
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
Application number
ES518803A
Other languages
English (en)
Other versions
ES518803A0 (es
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.)
Corning Glass Works
Original Assignee
Corning Glass Works
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 Corning Glass Works filed Critical Corning Glass Works
Publication of ES518803A0 publication Critical patent/ES518803A0/es
Publication of ES8407315A1 publication Critical patent/ES8407315A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/04—Compositions for glass with special properties for photosensitive glass
    • C03C4/06—Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)

Abstract

PROCESO PARA LA FABRICACION DE VIDRIO FOTOCROMICO APROPIADO PARA APLICACIONES OFTALMICAS.COMPRENDE LAS SIGUIENTES OPERACIONES: PRIMERA, SE FUNDE UN LOTE DE COMPONENTES DE VIDRIO DE COMPOSICION APROPIADA; SEGUNDA, A PARTIR DE LA COMPOSICION DE VIDRIO FUNDIDA SE FORMA MEDIANTE ENFRIAMIENTO UN ARTICULO DE VIDRIO POTENCIALMENTE FOTOCROMICO CON LA GEOMETRIA DESEADA; Y POR ULTIMO, EL ARTICULO DE VIDRIO FORMADO SE EXPONE A UNA TEMPERATURA COMPRENDIDA ENTRE 610 Y 670 GRADOS, DURANTE UN PERIODO DE TIEMPO SUFICIENTE PARA DESARROLLAR EN EL LAS PROPIEDADES FOTOCROMICAS.
ES518803A 1982-01-08 1983-01-05 Perfeccionamientos introducidos en la fabricacion de vidrio fotocromico apropiado para aplicaciones oftalmicas. Expired ES8407315A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/338,042 US4374931A (en) 1982-01-08 1982-01-08 Photochromic glass suitable for ophthalmic applications

Publications (2)

Publication Number Publication Date
ES518803A0 ES518803A0 (es) 1984-10-01
ES8407315A1 true ES8407315A1 (es) 1984-10-01

Family

ID=23323161

Family Applications (1)

Application Number Title Priority Date Filing Date
ES518803A Expired ES8407315A1 (es) 1982-01-08 1983-01-05 Perfeccionamientos introducidos en la fabricacion de vidrio fotocromico apropiado para aplicaciones oftalmicas.

Country Status (6)

Country Link
US (1) US4374931A (es)
EP (1) EP0084415B1 (es)
JP (1) JPS58145639A (es)
BR (1) BR8300013A (es)
DE (1) DE3360393D1 (es)
ES (1) ES8407315A1 (es)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2584706B1 (fr) * 1985-07-11 1991-08-16 Corning Glass Works Verre photochromique a eclaircissement rapide
US4608349A (en) * 1985-11-12 1986-08-26 Corning Glass Works Photochromic glass compositions for lightweight lenses
DE3825210A1 (de) * 1988-07-25 1990-02-08 Deutsche Spezialglas Ag Hochbrechendes phototropes glas niedriger dichte
JPH0714825B2 (ja) * 1989-11-01 1995-02-22 ユー・エイチ・アイ システムズ株式会社 抗菌・殺菌用ガラス
US5324691A (en) * 1990-04-10 1994-06-28 Isuzu Glass Co., Ltd. Glass composition
EP0456351A3 (en) * 1990-04-10 1992-04-01 Isuzu Glass Co., Ltd. Glass compositions
JP2518749B2 (ja) * 1991-07-11 1996-07-31 五鈴精工硝子株式会社 着色ガラス
US5256601A (en) * 1992-10-07 1993-10-26 Corning Incorporated Slow fading photochromic glass
FR2701020B1 (fr) * 1993-02-01 1995-04-21 Corning Inc Verres photochromiques qui s'assombrissent en prenant une teinte rose.
US6114437A (en) * 1998-02-04 2000-09-05 General Electric Company Polycarbonate articles with photochromic properties
JP4158282B2 (ja) 1999-07-06 2008-10-01 コニカミノルタオプト株式会社 磁気ディスク用結晶化ガラス基板
JP4849702B2 (ja) 1999-07-06 2012-01-11 コニカミノルタオプト株式会社 結晶化ガラス
JP4831854B2 (ja) 1999-07-06 2011-12-07 コニカミノルタオプト株式会社 結晶化ガラス組成物
JP4337176B2 (ja) 1999-07-06 2009-09-30 コニカミノルタオプト株式会社 ガラス組成
JP2001026445A (ja) 1999-07-14 2001-01-30 Minolta Co Ltd ガラス組成
JP2001026456A (ja) 1999-07-14 2001-01-30 Minolta Co Ltd ガラス組成
JP2001026451A (ja) 1999-07-14 2001-01-30 Minolta Co Ltd ガラス組成
JP4207316B2 (ja) 1999-07-14 2009-01-14 コニカミノルタオプト株式会社 結晶化ガラス組成物
JP2001026454A (ja) 1999-07-14 2001-01-30 Minolta Co Ltd ガラス組成
JP4265035B2 (ja) 1999-07-14 2009-05-20 コニカミノルタオプト株式会社 結晶化ガラス組成物
JP2001026452A (ja) 1999-07-14 2001-01-30 Minolta Co Ltd ガラス組成
JP2001026446A (ja) 1999-07-14 2001-01-30 Minolta Co Ltd ガラス組成
JP4265036B2 (ja) 1999-07-14 2009-05-20 コニカミノルタオプト株式会社 結晶化ガラス組成物
JP4284763B2 (ja) 1999-07-14 2009-06-24 コニカミノルタオプト株式会社 ガラス組成
JP2001026440A (ja) 1999-07-14 2001-01-30 Minolta Co Ltd ガラス組成
JP2001026458A (ja) 1999-07-14 2001-01-30 Minolta Co Ltd ガラス組成
JP2001287931A (ja) 2000-04-03 2001-10-16 Minolta Co Ltd ガラス組成
JP4224925B2 (ja) 2000-04-03 2009-02-18 コニカミノルタオプト株式会社 ガラス組成物
JP4300676B2 (ja) 2000-04-03 2009-07-22 コニカミノルタオプト株式会社 ガラス組成物
JP4273625B2 (ja) 2000-04-03 2009-06-03 コニカミノルタオプト株式会社 ガラス組成物
JP2001287934A (ja) 2000-04-03 2001-10-16 Minolta Co Ltd ガラス組成
JP4273624B2 (ja) 2000-04-03 2009-06-03 コニカミノルタオプト株式会社 ガラス組成物
JP4273623B2 (ja) 2000-04-03 2009-06-03 コニカミノルタオプト株式会社 ガラス組成物
JP2001287967A (ja) 2000-04-03 2001-10-16 Minolta Co Ltd ガラス組成
JP4207358B2 (ja) 2000-04-03 2009-01-14 コニカミノルタオプト株式会社 ガラス組成

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3208860A (en) * 1962-07-31 1965-09-28 Corning Glass Works Phototropic material and article made therefrom
US4018965A (en) * 1975-04-14 1977-04-19 Corning Glass Works Photochromic sheet glass compositions and articles
GB1515641A (en) * 1976-01-30 1978-06-28 Pilkington Brothers Ltd Photochromic glasses
US4190451A (en) * 1978-03-17 1980-02-26 Corning Glass Works Photochromic glass
US4130437A (en) * 1978-04-12 1978-12-19 Corning Glass Works Photochromic glasses suitable for simultaneous heat treatment and shaping
US4168339A (en) * 1978-07-26 1979-09-18 Corning Glass Works Photochromic microsheet

Also Published As

Publication number Publication date
JPS58145639A (ja) 1983-08-30
ES518803A0 (es) 1984-10-01
DE3360393D1 (en) 1985-08-22
US4374931A (en) 1983-02-22
EP0084415B1 (en) 1985-07-17
JPS6351981B2 (es) 1988-10-17
BR8300013A (pt) 1983-08-30
EP0084415A1 (en) 1983-07-27

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20000201