FR2037247A1 - - Google Patents

Info

Publication number
FR2037247A1
FR2037247A1 FR7009405A FR7009405A FR2037247A1 FR 2037247 A1 FR2037247 A1 FR 2037247A1 FR 7009405 A FR7009405 A FR 7009405A FR 7009405 A FR7009405 A FR 7009405A FR 2037247 A1 FR2037247 A1 FR 2037247A1
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.)
Withdrawn
Application number
FR7009405A
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.)
Pilkington Group Ltd
Original Assignee
Pilkington Brothers Ltd
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 Pilkington Brothers Ltd filed Critical Pilkington Brothers Ltd
Publication of FR2037247A1 publication Critical patent/FR2037247A1/fr
Withdrawn legal-status Critical Current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
    • C03C3/064—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
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/14—Silica-free oxide glass compositions containing boron
    • C03C3/15—Silica-free oxide glass compositions containing boron containing rare earths
    • C03C3/155—Silica-free oxide glass compositions containing boron containing rare earths containing zirconium, titanium, tantalum or niobium

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)
FR7009405A 1969-03-25 1970-03-17 Withdrawn FR2037247A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1559069 1969-03-25

Publications (1)

Publication Number Publication Date
FR2037247A1 true FR2037247A1 (fr) 1970-12-31

Family

ID=10061857

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7009405A Withdrawn FR2037247A1 (fr) 1969-03-25 1970-03-17

Country Status (4)

Country Link
BE (1) BE747942A (fr)
DE (1) DE2010672A1 (fr)
FR (1) FR2037247A1 (fr)
GB (1) GB1302526A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2690436B1 (fr) * 1992-04-22 1995-02-03 Corning France Verres à très haut indice de réfraction et faible densité.
CN107140824B (zh) * 2017-07-03 2019-07-30 成都光明光电股份有限公司 重镧火石光学玻璃
CN113603367B (zh) 2021-09-14 2022-12-02 中国建筑材料科学研究总院有限公司 用于中膨胀光纤传像元件的高折射率玻璃及其制备方法
CN113603366B (zh) * 2021-09-14 2022-10-21 中国建筑材料科学研究总院有限公司 一种中膨胀光纤传像元件及其制备方法

Also Published As

Publication number Publication date
BE747942A (fr) 1970-09-25
GB1302526A (fr) 1973-01-10
DE2010672A1 (de) 1970-10-08

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Legal Events

Date Code Title Description
ST Notification of lapse