FR2201263B1 - - Google Patents

Info

Publication number
FR2201263B1
FR2201263B1 FR7335154A FR7335154A FR2201263B1 FR 2201263 B1 FR2201263 B1 FR 2201263B1 FR 7335154 A FR7335154 A FR 7335154A FR 7335154 A FR7335154 A FR 7335154A FR 2201263 B1 FR2201263 B1 FR 2201263B1
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
FR7335154A
Other languages
French (fr)
Other versions
FR2201263A1 (en
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
Publication of FR2201263A1 publication Critical patent/FR2201263A1/fr
Application granted granted Critical
Publication of FR2201263B1 publication Critical patent/FR2201263B1/fr
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
    • C03C3/064—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

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)
FR7335154A 1972-10-02 1973-10-02 Expired FR2201263B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722248255 DE2248255C3 (en) 1972-10-02 1972-10-02 Optical glasses with improved, deviating partial dispersion tone in the optical position area of the lanthanum crown and lanthanum flint glasses

Publications (2)

Publication Number Publication Date
FR2201263A1 FR2201263A1 (en) 1974-04-26
FR2201263B1 true FR2201263B1 (en) 1977-03-11

Family

ID=5857981

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7335154A Expired FR2201263B1 (en) 1972-10-02 1973-10-02

Country Status (5)

Country Link
JP (1) JPS5413244B2 (en)
DD (1) DD107656A5 (en)
DE (1) DE2248255C3 (en)
FR (1) FR2201263B1 (en)
GB (1) GB1439205A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5580736A (en) * 1978-12-14 1980-06-18 Nippon Kogaku Kk <Nikon> Heavy crown optical glass
JP2012126586A (en) * 2010-12-13 2012-07-05 Ohara Inc Optical glass, preform, and optical element
RU2443641C1 (en) * 2010-08-04 2012-02-27 Юлия Алексеевна Щепочкина Glass (versions)
JP6096409B2 (en) * 2010-10-29 2017-03-15 株式会社オハラ Optical glass, preform and optical element
JP6076594B2 (en) * 2010-12-13 2017-02-08 株式会社オハラ Optical glass, preform and optical element
JP5800766B2 (en) * 2011-10-28 2015-10-28 株式会社オハラ Optical glass, preform and optical element
JP7096648B2 (en) * 2016-06-29 2022-07-06 株式会社オハラ Optical glass, preforms and optical elements

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3716385A (en) * 1969-04-11 1973-02-13 Jenaer Glaswerk Schott & Gen Optical glasses comprising aif3 having a varying partial dispersion

Also Published As

Publication number Publication date
DD107656A5 (en) 1974-08-12
JPS5413244B2 (en) 1979-05-29
JPS4972311A (en) 1974-07-12
DE2248255C3 (en) 1976-01-02
GB1439205A (en) 1976-06-16
DE2248255A1 (en) 1974-04-25
FR2201263A1 (en) 1974-04-26
DE2248255B2 (en) 1975-05-07

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Legal Events

Date Code Title Description
ST Notification of lapse