CA981704A - Photochromic glasses - Google Patents

Photochromic glasses

Info

Publication number
CA981704A
CA981704A CA146,404A CA146404A CA981704A CA 981704 A CA981704 A CA 981704A CA 146404 A CA146404 A CA 146404A CA 981704 A CA981704 A CA 981704A
Authority
CA
Canada
Prior art keywords
photochromic glasses
photochromic
glasses
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
CA146,404A
Other languages
English (en)
Other versions
CA146404S (en
Inventor
Stanley Lythgoe
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.)
Pilkington Group Ltd
Original Assignee
Pilkington Brothers Ltd
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 Pilkington Brothers Ltd filed Critical Pilkington Brothers Ltd
Application granted granted Critical
Publication of CA981704A publication Critical patent/CA981704A/en
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
    • 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
    • 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
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
    • 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
    • Y10S501/00—Compositions: ceramic
    • Y10S501/90—Optical glass, e.g. silent on refractive index and/or ABBE number
    • Y10S501/903—Optical glass, e.g. silent on refractive index and/or ABBE number having refractive index less than 1.8 and ABBE number less than 70

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)
CA146,404A 1971-07-12 1972-07-05 Photochromic glasses Expired CA981704A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB3265371 1971-07-12
GB816872*[A GB1367903A (en) 1971-07-12 1972-02-22 Photochromic glasses
GB1510172 1972-03-30

Publications (1)

Publication Number Publication Date
CA981704A true CA981704A (en) 1976-01-13

Family

ID=27255158

Family Applications (1)

Application Number Title Priority Date Filing Date
CA146,404A Expired CA981704A (en) 1971-07-12 1972-07-05 Photochromic glasses

Country Status (9)

Country Link
US (1) US3876436A (fr)
JP (1) JPS5210131B1 (fr)
BE (1) BE823467Q (fr)
CA (1) CA981704A (fr)
DD (1) DD100696A5 (fr)
FR (1) FR2145624B1 (fr)
GB (1) GB1367903A (fr)
MY (1) MY7500122A (fr)
NL (1) NL152525B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4108674A (en) * 1974-02-01 1978-08-22 Jenaer Glaswerk Schott & Gen. Phototropic optical glass
US3957498A (en) * 1975-07-16 1976-05-18 Corning Glass Works Boron-free silver halide photochromic glasses
GB1540471A (en) 1976-01-30 1979-02-14 Pilkington Brothers Ltd Photochromic glasses
US4092174A (en) * 1976-01-30 1978-05-30 Pilkington Brothers Limited Photochromic glasses
US4076542A (en) * 1976-06-04 1978-02-28 American Optical Corporation Process for producing photochromic silicate glass film containing silver halide particles
US4092139A (en) * 1977-03-16 1978-05-30 Corning Glass Works Process for making colored photosensitive glass
BR8004828A (pt) 1979-08-09 1981-02-10 Pilkington Brothers Ltd Processo para produzir um vidro fotocromico e vidro fotocromico obtido
JPS608985B2 (ja) * 1979-08-10 1985-03-07 富士写真フイルム株式会社 結晶化ガラスおよびその製造方法
US4282022A (en) * 1980-04-28 1981-08-04 Corning Glass Works Method for making polarizing glasses through extrusion
US4304584A (en) * 1980-04-28 1981-12-08 Corning Glass Works Method for making polarizing glasses by extrusion
DE3204625C2 (de) * 1982-02-10 1986-07-10 Schott Glaswerke, 6500 Mainz Alumosilico-Phosphat-Brillenglas mit einer Abbezahl über 46, mit einem Brechungsindex über 1,56 und einer sehr niedrigen Dichte
JP2518749B2 (ja) * 1991-07-11 1996-07-31 五鈴精工硝子株式会社 着色ガラス
US9346703B2 (en) 2010-11-30 2016-05-24 Corning Incorporated Ion exchangable glass with deep compressive layer and high damage threshold
EP2780291B1 (fr) 2011-11-16 2018-04-11 Corning Incorporated Verre pouvant échanger d'ions et présentant un seuil élevé d'amorçage des fissures
CN104350019A (zh) * 2012-05-28 2015-02-11 霓佳斯株式会社 Si-Mg系无机纤维及其组合物

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2532386A (en) * 1949-09-27 1950-12-05 Corning Glass Works Colored phosphate glass
US3208860A (en) * 1962-07-31 1965-09-28 Corning Glass Works Phototropic material and article made therefrom
US3374381A (en) * 1965-05-03 1968-03-19 Owens Illinois Inc Multi-color photoluminescent glass systems
US3419370A (en) * 1965-11-22 1968-12-31 Corning Glass Works Method of producing a photochromic glass and resulting article
US3615761A (en) * 1968-01-31 1971-10-26 Ppg Industries Inc Phototropic articles containing thallous halide
US3656923A (en) * 1968-05-27 1972-04-18 Corning Glass Works Method for strengthening photochromic glass articles
US3703388A (en) * 1970-08-19 1972-11-21 Corning Glass Works High refractive index photochromic glasses

Also Published As

Publication number Publication date
US3876436A (en) 1975-04-08
FR2145624B1 (fr) 1976-01-16
JPS5210131B1 (fr) 1977-03-22
MY7500122A (en) 1975-12-31
NL152525B (nl) 1977-03-15
GB1367903A (en) 1974-09-25
BE823467Q (fr) 1975-04-16
DE2234283B2 (de) 1976-12-09
DE2234283A1 (de) 1973-02-08
DD100696A5 (fr) 1973-10-05
FR2145624A1 (fr) 1973-02-23
NL7209642A (fr) 1973-01-16

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