FR2190748A1 - - Google Patents

Info

Publication number
FR2190748A1
FR2190748A1 FR7315140A FR7315140A FR2190748A1 FR 2190748 A1 FR2190748 A1 FR 2190748A1 FR 7315140 A FR7315140 A FR 7315140A FR 7315140 A FR7315140 A FR 7315140A FR 2190748 A1 FR2190748 A1 FR 2190748A1
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Withdrawn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
FR7315140A
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
Priority claimed from DD16396372A external-priority patent/DD98089A1/xx
Application filed by Jenaer Glaswerk Schott and Gen filed Critical Jenaer Glaswerk Schott and Gen
Publication of FR2190748A1 publication Critical patent/FR2190748A1/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Withdrawn legal-status Critical Current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
    • C03C3/07—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
    • 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
FR7315140A 1972-06-26 1973-04-26 Withdrawn FR2190748A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD16396372A DD98089A1 (en) 1972-06-26 1972-06-26
GB5859172A GB1406280A (en) 1972-06-26 1972-12-19 Optical borosilicate glass

Publications (1)

Publication Number Publication Date
FR2190748A1 true FR2190748A1 (en) 1974-02-01

Family

ID=25747466

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7315140A Withdrawn FR2190748A1 (en) 1972-06-26 1973-04-26

Country Status (2)

Country Link
FR (1) FR2190748A1 (en)
GB (1) GB1406280A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004519402A (en) * 2001-03-13 2004-07-02 コーニング インコーポレイテッド Ophthalmic segment glass with high nD

Also Published As

Publication number Publication date
DE2321356A1 (en) 1974-01-10
GB1406280A (en) 1975-09-17
DE2321356B2 (en) 1976-08-26

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Legal Events

Date Code Title Description
ST Notification of lapse