FR1491086A - Optical glasses free of thorium oxide and beryllium oxide - Google Patents

Optical glasses free of thorium oxide and beryllium oxide

Info

Publication number
FR1491086A
FR1491086A FR74986A FR74986A FR1491086A FR 1491086 A FR1491086 A FR 1491086A FR 74986 A FR74986 A FR 74986A FR 74986 A FR74986 A FR 74986A FR 1491086 A FR1491086 A FR 1491086A
Authority
FR
France
Prior art keywords
oxide
optical glasses
thorium
glasses free
beryllium
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
FR74986A
Other languages
French (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.)
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
Application filed by Jenaer Glaswerk Schott and Gen filed Critical Jenaer Glaswerk Schott and Gen
Priority to FR74986A priority Critical patent/FR1491086A/en
Application granted granted Critical
Publication of FR1491086A publication Critical patent/FR1491086A/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
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
    • C03C3/072—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron
    • C03C3/074—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron containing 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
    • C03C3/062—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
    • C03C3/068—Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths
    • 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
    • C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
    • C03C3/072—Glass compositions containing silica with less than 40% silica by weight containing lead 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)
FR74986A 1965-09-04 1966-09-01 Optical glasses free of thorium oxide and beryllium oxide Expired FR1491086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR74986A FR1491086A (en) 1965-09-04 1966-09-01 Optical glasses free of thorium oxide and beryllium oxide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEJ0028924 1965-09-04
FR74986A FR1491086A (en) 1965-09-04 1966-09-01 Optical glasses free of thorium oxide and beryllium oxide

Publications (1)

Publication Number Publication Date
FR1491086A true FR1491086A (en) 1967-08-04

Family

ID=25982627

Family Applications (1)

Application Number Title Priority Date Filing Date
FR74986A Expired FR1491086A (en) 1965-09-04 1966-09-01 Optical glasses free of thorium oxide and beryllium oxide

Country Status (1)

Country Link
FR (1) FR1491086A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2513986A1 (en) * 1981-10-01 1983-04-08 Hoya Corp OPTICAL GLASS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2513986A1 (en) * 1981-10-01 1983-04-08 Hoya Corp OPTICAL GLASS

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