CH357838A - Verre de basse densité - Google Patents

Verre de basse densité

Info

Publication number
CH357838A
CH357838A CH357838DA CH357838A CH 357838 A CH357838 A CH 357838A CH 357838D A CH357838D A CH 357838DA CH 357838 A CH357838 A CH 357838A
Authority
CH
Switzerland
Prior art keywords
low density
density glass
glass
low
density
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
Lansing Seymour Samuel
Earle Duncan James
Original Assignee
Pittsburgh Plate Glass Co
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 Pittsburgh Plate Glass Co filed Critical Pittsburgh Plate Glass Co
Publication of CH357838A publication Critical patent/CH357838A/fr

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
    • 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
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron

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)
CH357838D 1956-09-10 1956-09-26 Verre de basse densité CH357838A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2762756A GB804451A (en) 1956-09-10 1956-09-10 Improvements in or relating to glass composition

Publications (1)

Publication Number Publication Date
CH357838A true CH357838A (fr) 1961-10-31

Family

ID=10262677

Family Applications (1)

Application Number Title Priority Date Filing Date
CH357838D CH357838A (fr) 1956-09-10 1956-09-26 Verre de basse densité

Country Status (3)

Country Link
BE (1) BE551389A (sk)
CH (1) CH357838A (sk)
GB (1) GB804451A (sk)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR202803A1 (es) * 1972-12-02 1975-07-24 Jenaer Glaswerk Schott & Gen Cristales para gafas
DE3139212A1 (de) * 1981-10-02 1983-04-21 Schott Glaswerke, 6500 Mainz Optisches und ophthalmisches glas mit brechwerten nd>= 1,58, abbezahlen >= 45 und dichten <= 2,75 g/cm(pfeil hoch)3(pfeil hoch)
GB2115403B (en) * 1982-02-20 1985-11-27 Zeiss Stiftung Optical and opthalmic glass
US4444893A (en) * 1982-06-11 1984-04-24 Schott Glass Technologies, Inc. Highly refractive, low dispersion, low density optical glass suitable for corrective lenses
FR2550187B1 (fr) * 1983-08-02 1986-06-06 Corning Glass Works Verres de faible densite et de haut indice de refraction pour applications ophtalmiques et optiques
FR2558152B1 (fr) * 1984-01-13 1992-03-27 Corning Glass Works Verres a usage ophtalmique de faible densite, absorbant les radiations ultraviolettes et ayant une haute transmission dans le visible et lentilles correctrices constituees de ces verres
CA1320505C (en) * 1987-11-04 1993-07-20 Jean Emile Boudot Medium refractive index glass suitable for ophthalmic applications
FR2622569B1 (fr) * 1987-11-04 1992-07-17 Corning Glass Works Verre a indice de refraction moyen pour application ophtalmiques
ATE148680T1 (de) * 1992-03-11 1997-02-15 British Glass Mfg Glaszusammensetzungen
DE19827568C1 (de) * 1998-06-20 2000-01-05 Schott Glas Bleifreie optische Bariumflintgläser, Bariumleichtflintgläser und Bariumkrongläser
DE19828992C1 (de) * 1998-06-29 1999-10-07 Schott Glas Bleifreie optische Gläser
EP1367029A3 (en) * 2002-05-27 2004-03-24 Central Glass Company, Limited Glass for wavelength division multiplexing optical filter
US7648929B2 (en) * 2004-12-30 2010-01-19 Owens Corning Intellectual Capital, Llc Low boron glass composition for loose-fill fiberglass insulation

Also Published As

Publication number Publication date
BE551389A (sk)
GB804451A (en) 1958-11-19

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