FR2395961B1 - - Google Patents

Info

Publication number
FR2395961B1
FR2395961B1 FR7720329A FR7720329A FR2395961B1 FR 2395961 B1 FR2395961 B1 FR 2395961B1 FR 7720329 A FR7720329 A FR 7720329A FR 7720329 A FR7720329 A FR 7720329A FR 2395961 B1 FR2395961 B1 FR 2395961B1
Authority
FR
France
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
FR7720329A
Other versions
FR2395961A1 (fr
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
Priority to FR7720329A priority Critical patent/FR2395961A1/fr
Application filed by Corning Glass Works filed Critical Corning Glass Works
Priority to BE188995A priority patent/BE868645A/fr
Priority to NLAANVRAGE7807125,A priority patent/NL187063C/xx
Priority to JP7881178A priority patent/JPS5416524A/ja
Priority to DE2828791A priority patent/DE2828791C2/de
Priority to GB7828625A priority patent/GB2000492B/en
Priority to IT68558/78A priority patent/IT1111419B/it
Priority to US05/941,549 priority patent/US4149895A/en
Publication of FR2395961A1 publication Critical patent/FR2395961A1/fr
Application granted granted Critical
Publication of FR2395961B1 publication Critical patent/FR2395961B1/fr
Granted 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
    • C03C4/20—Compositions for glass with special properties for chemical resistant 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
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
    • 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
    • C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
FR7720329A 1977-07-01 1977-07-01 Verre d'indice de refraction eleve et de faible densite Granted FR2395961A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR7720329A FR2395961A1 (fr) 1977-07-01 1977-07-01 Verre d'indice de refraction eleve et de faible densite
NLAANVRAGE7807125,A NL187063C (nl) 1977-07-01 1978-06-30 Glas voor optische toepassingen met een zeer goede chemische bestandheid.
JP7881178A JPS5416524A (en) 1977-07-01 1978-06-30 Glass with high refractive index and low density
DE2828791A DE2828791C2 (de) 1977-07-01 1978-06-30 Glas im System SiO↓2↓-TiO↓2↓-ZrO↓2↓-CaO-BaO-Nb↓2↓O↓5↓-Alkalioxid (-Al↓2↓O↓3↓-MgO-SrO) mit einem hohen Brechungsindex und einer geringen Dichte
BE188995A BE868645A (fr) 1977-07-01 1978-06-30 Verre d'indice de refraction eleve et de faible densite
GB7828625A GB2000492B (en) 1977-07-01 1978-07-03 High refractive index low density glass
IT68558/78A IT1111419B (it) 1977-07-01 1978-07-03 Vetro ad elevato indice di rifrazione e bassa densita
US05/941,549 US4149895A (en) 1977-07-01 1978-09-11 Glass with high refractive index and low density

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7720329A FR2395961A1 (fr) 1977-07-01 1977-07-01 Verre d'indice de refraction eleve et de faible densite

Publications (2)

Publication Number Publication Date
FR2395961A1 FR2395961A1 (fr) 1979-01-26
FR2395961B1 true FR2395961B1 (fr) 1980-02-08

Family

ID=9192869

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7720329A Granted FR2395961A1 (fr) 1977-07-01 1977-07-01 Verre d'indice de refraction eleve et de faible densite

Country Status (2)

Country Link
BE (1) BE868645A (fr)
FR (1) FR2395961A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3216451C2 (de) * 1982-05-03 1984-04-19 Schott Glaswerke, 6500 Mainz Optisches Leichtgewichtglas mit einem Brechwert ≥ 1.70, einer Abbezahl ≥ 22 und einer Dichte ≦ 3,5 g/cm↑3↑
US4444893A (en) * 1982-06-11 1984-04-24 Schott Glass Technologies, Inc. Highly refractive, low dispersion, low density optical glass suitable for corrective lenses
FR2828564A1 (fr) * 2001-08-08 2003-02-14 Olivier Bataillard Procede d'elimination de l'irisation concentrique myopique pour lunettes de vue
JP2023526619A (ja) 2020-05-18 2023-06-22 コーニング インコーポレイテッド 高い屈折率及び低い密度を有するガラス組成物

Also Published As

Publication number Publication date
FR2395961A1 (fr) 1979-01-26
BE868645A (fr) 1979-01-02

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Legal Events

Date Code Title Description
ST Notification of lapse