CA1023187A - Phototropic glass for multifocal spectacle-glasses - Google Patents

Phototropic glass for multifocal spectacle-glasses

Info

Publication number
CA1023187A
CA1023187A CA171,363A CA171363A CA1023187A CA 1023187 A CA1023187 A CA 1023187A CA 171363 A CA171363 A CA 171363A CA 1023187 A CA1023187 A CA 1023187A
Authority
CA
Canada
Prior art keywords
glasses
multifocal spectacle
phototropic glass
phototropic
glass
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
CA171,363A
Other languages
English (en)
French (fr)
Other versions
CA171363S (en
Inventor
Marga Faulstich
Georg Gliemeroth
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.)
Schott AG
Original Assignee
Jenaer Glaswerk Schott and Gen
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 DE19722223629 external-priority patent/DE2223629C3/de
Application filed by Jenaer Glaswerk Schott and Gen filed Critical Jenaer Glaswerk Schott and Gen
Application granted granted Critical
Publication of CA1023187A publication Critical patent/CA1023187A/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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/23—Photochromic filters
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Eyeglasses (AREA)
CA171,363A 1972-05-15 1973-05-15 Phototropic glass for multifocal spectacle-glasses Expired CA1023187A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722223629 DE2223629C3 (de) 1972-05-15 Phototropes Glas, geeignet als Nahteilmaterial zur Verschmelzung mit phototropen Fernteilgläsern auf der Basis eines optischen Glases des Systems SiO tief 2 -B tief 2 0 tief 3 -Al tief 2 0 tief 3 -La tief 2 0 tief 3 -PbO-(ZnO)

Publications (1)

Publication Number Publication Date
CA1023187A true CA1023187A (en) 1977-12-27

Family

ID=5844917

Family Applications (1)

Application Number Title Priority Date Filing Date
CA171,363A Expired CA1023187A (en) 1972-05-15 1973-05-15 Phototropic glass for multifocal spectacle-glasses

Country Status (6)

Country Link
JP (1) JPS549605B2 (enrdf_load_stackoverflow)
AT (1) AT338451B (enrdf_load_stackoverflow)
CA (1) CA1023187A (enrdf_load_stackoverflow)
FR (1) FR2184805B1 (enrdf_load_stackoverflow)
GB (1) GB1419644A (enrdf_load_stackoverflow)
IT (1) IT985902B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2346296A1 (fr) * 1976-03-31 1977-10-28 Corning Glass Works Procede pour la fabrication de lentilles ophtalmiques photochromiques multifocales
DE3117000C2 (de) * 1981-04-29 1986-05-28 Schott Glaswerke, 6500 Mainz Phototropes Glas mit einem Brechungsindex ≥ 1,59, einer Abbezahl ≥ 40 und einer Dichte ≦ 3,2 g/cm↑3↑
DE3917614C1 (enrdf_load_stackoverflow) * 1989-05-31 1990-06-07 Schott Glaswerke, 6500 Mainz, De
JP2711618B2 (ja) * 1992-06-30 1998-02-10 ティーディーケイ株式会社 誘電体組成物、多層配線基板および積層セラミックコンデンサ
US8361917B2 (en) 2010-08-05 2013-01-29 Schott Corporation Rare earth aluminoborosilicate glass composition
US20230286855A1 (en) * 2019-11-14 2023-09-14 Nippon Electric Glass Co., Ltd. Glass article
CN117865495B (zh) * 2023-11-29 2025-06-27 山东天舜环保科技有限公司 一种变色玻璃纤维组合物及其制备方法、玻璃纤维

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1924493C3 (de) * 1968-05-17 1975-12-18 Nippon Sheet Glass Co. Ltd., Osaka (Japan) Schnell reagierendes phototropes Glas hoher Stabilität auf Borat- oder Borosilikatbasis sowie Verfahren zu seiner Herstellung
FR2104862A1 (en) * 1970-08-19 1972-04-21 Corning Glass Works Heat-darkenable photochromic glass - with lanthanum borate glass-phase contg silver halides and copper oxide

Also Published As

Publication number Publication date
ATA191173A (de) 1976-12-15
FR2184805B1 (enrdf_load_stackoverflow) 1978-07-07
DE2223629A1 (de) 1973-12-06
DE2223629B2 (de) 1975-12-04
IT985902B (it) 1974-12-30
GB1419644A (en) 1975-12-31
FR2184805A1 (enrdf_load_stackoverflow) 1973-12-28
AT338451B (de) 1977-08-25
JPS4926314A (enrdf_load_stackoverflow) 1974-03-08
JPS549605B2 (enrdf_load_stackoverflow) 1979-04-26

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