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GB804451A - Improvements in or relating to glass composition - Google Patents

Improvements in or relating to glass composition

Info

Publication number
GB804451A
GB804451A GB2762756A GB2762756A GB804451A GB 804451 A GB804451 A GB 804451A GB 2762756 A GB2762756 A GB 2762756A GB 2762756 A GB2762756 A GB 2762756A GB 804451 A GB804451 A GB 804451A
Authority
GB
United Kingdom
Prior art keywords
relating
glass composition
glass
bao
cao
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
GB2762756A
Inventor
Samuel Lansing Seymour
James Earle Duncan
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.)
PPG Industries Inc
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
Priority to BE551389D priority Critical patent/BE551389A/xx
Application filed by Pittsburgh Plate Glass Co filed Critical Pittsburgh Plate Glass Co
Priority to GB2762756A priority patent/GB804451A/en
Priority to CH357838D priority patent/CH357838A/en
Publication of GB804451A publication Critical patent/GB804451A/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
    • 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)

Abstract

804,451. Glass. PITTSBURGH PLATE GLASS CO. Sept. 10, 1956, No. 27627/56. Class 56. Glasses with low density and refractive index not less than 1À56 consist essentially of (weights per cent.) SiO 2 50-70; X 2 O 10-20 (Na 2 O 0-10, K 2 O O-18, Li 2 O 0-5) ; CaO and/or BaO 5-20 ; TiO 2 5-20; B 2 O 3 0-10; Al 2 O 3 0-3; and refining agents (Sb 2 O 5 or As 2 O 5 ) 0-2.
GB2762756A 1956-09-10 1956-09-10 Improvements in or relating to glass composition Expired GB804451A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE551389D BE551389A (en) 1956-09-10
GB2762756A GB804451A (en) 1956-09-10 1956-09-10 Improvements in or relating to glass composition
CH357838D CH357838A (en) 1956-09-10 1956-09-26 Low density glass

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
GB804451A true GB804451A (en) 1958-11-19

Family

ID=10262677

Family Applications (1)

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

Country Status (3)

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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2528414A1 (en) * 1982-06-11 1983-12-16 Schott Optical Glass Inc OPTICAL GLASS WITH HIGH REFRACTIVE INDEX, LOW DISPERSION, LOW VOLUMIC MASS, SUITABLE FOR CORRECTIVE LENSES
EP0560555A2 (en) * 1992-03-11 1993-09-15 The British Glass Manufacturers Confederation Glass compositions
DE19828992C1 (en) * 1998-06-29 1999-10-07 Schott Glas Lead-free optical glass of barium light flint glass, barium crown glass, crown glass, crown flint glass or boron crown glass type
DE19827568C1 (en) * 1998-06-20 2000-01-05 Schott Glas Lead-free optical barium flint glasses, light flint glasses and crown glasses
EP1367029A2 (en) * 2002-05-27 2003-12-03 Central Glass Company, Limited Glass for wavelength division multiplexing optical filter
WO2006073703A1 (en) * 2004-12-30 2006-07-13 Owens Corning Intellectual Capital, Llc. Low boron glass composition for loose-fill and acoustical fiberglass insulation

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR202803A1 (en) * 1972-12-02 1975-07-24 Jenaer Glaswerk Schott & Gen GLASSES FOR GLASSES
DE3139212C2 (en) * 1981-10-02 1987-02-12 Schott Glaswerke, 6500 Mainz Use of a glass with refractive index nd ≥ 1.58, Abbe number ≥ 45 and density ≤ 2.75 g/cm3 as spectacle lens
GB2115403B (en) * 1982-02-20 1985-11-27 Zeiss Stiftung Optical and opthalmic glass
FR2550187B1 (en) * 1983-08-02 1986-06-06 Corning Glass Works LOW DENSITY AND HIGH REFRACTIVE INDEX GLASSES FOR OPHTHALMIC AND OPTICAL APPLICATIONS
FR2558152B1 (en) * 1984-01-13 1992-03-27 Corning Glass Works LOW DENSITY OPHTHALMIC LENSES, ABSORBING ULTRAVIOLET RADIATION AND HAVING HIGH TRANSMISSION INTO THE VISIBLE AND CORRECTIVE LENSES MADE OF SUCH LENSES
CA1320505C (en) * 1987-11-04 1993-07-20 Jean Emile Boudot Medium refractive index glass suitable for ophthalmic applications
FR2622569B1 (en) * 1987-11-04 1992-07-17 Corning Glass Works MEDIUM REFRACTION INDEX GLASS FOR OPHTHALMIC APPLICATIONS

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2528414A1 (en) * 1982-06-11 1983-12-16 Schott Optical Glass Inc OPTICAL GLASS WITH HIGH REFRACTIVE INDEX, LOW DISPERSION, LOW VOLUMIC MASS, SUITABLE FOR CORRECTIVE LENSES
EP0560555A2 (en) * 1992-03-11 1993-09-15 The British Glass Manufacturers Confederation Glass compositions
EP0560555A3 (en) * 1992-03-11 1994-03-09 British Glass Mfg
DE19827568C1 (en) * 1998-06-20 2000-01-05 Schott Glas Lead-free optical barium flint glasses, light flint glasses and crown glasses
DE19828992C1 (en) * 1998-06-29 1999-10-07 Schott Glas Lead-free optical glass of barium light flint glass, barium crown glass, crown glass, crown flint glass or boron crown glass type
EP1367029A2 (en) * 2002-05-27 2003-12-03 Central Glass Company, Limited Glass for wavelength division multiplexing optical filter
EP1367029A3 (en) * 2002-05-27 2004-03-24 Central Glass Company, Limited Glass for wavelength division multiplexing optical filter
US7091144B2 (en) 2002-05-27 2006-08-15 Central Glass Co., Ltd. Glass for wavelength division multiplexing optical filter
WO2006073703A1 (en) * 2004-12-30 2006-07-13 Owens Corning Intellectual Capital, Llc. Low boron glass composition for loose-fill and acoustical fiberglass insulation
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
CH357838A (en) 1961-10-31
BE551389A (en)

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