FR725507A - Optical glass - Google Patents

Optical glass

Info

Publication number
FR725507A
FR725507A FR725507DA FR725507A FR 725507 A FR725507 A FR 725507A FR 725507D A FR725507D A FR 725507DA FR 725507 A FR725507 A FR 725507A
Authority
FR
France
Prior art keywords
optical glass
glass
optical
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
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
Application granted granted Critical
Publication of FR725507A publication Critical patent/FR725507A/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
    • C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
    • C03C3/066—Glass compositions containing silica with less than 40% silica by weight containing boron containing zinc
FR725507D 1930-11-05 1931-10-31 Optical glass Expired FR725507A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE725507X 1930-11-05

Publications (1)

Publication Number Publication Date
FR725507A true FR725507A (en) 1932-05-13

Family

ID=6634988

Family Applications (1)

Application Number Title Priority Date Filing Date
FR725507D Expired FR725507A (en) 1930-11-05 1931-10-31 Optical glass

Country Status (1)

Country Link
FR (1) FR725507A (en)

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