FR951839A - Verres d'optique aux borates ne contenant pas de thorium - Google Patents

Verres d'optique aux borates ne contenant pas de thorium

Info

Publication number
FR951839A
FR951839A FR951839DA FR951839A FR 951839 A FR951839 A FR 951839A FR 951839D A FR951839D A FR 951839DA FR 951839 A FR951839 A FR 951839A
Authority
FR
France
Prior art keywords
optical glasses
containing thorium
borate optical
borate
thorium
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
English (en)
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR951839A publication Critical patent/FR951839A/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
    • 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)
FR951839D 1946-09-28 1947-08-08 Verres d'optique aux borates ne contenant pas de thorium Expired FR951839A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US639335XA 1946-09-28 1946-09-28

Publications (1)

Publication Number Publication Date
FR951839A true FR951839A (fr) 1949-11-04

Family

ID=22052449

Family Applications (1)

Application Number Title Priority Date Filing Date
FR951839D Expired FR951839A (fr) 1946-09-28 1947-08-08 Verres d'optique aux borates ne contenant pas de thorium

Country Status (3)

Country Link
BE (1) BE476293A (enrdf_load_stackoverflow)
FR (1) FR951839A (enrdf_load_stackoverflow)
GB (1) GB639335A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE957338C (de) * 1952-05-10 1957-03-07 Jenaer Glaswerk Schott & Gen Praktisch fluorfreie optische Glaeser
DE1008455B (de) * 1951-02-26 1957-05-16 Jenaer Glaswerk Schott & Gen Praktisch fluorfreie optische Glaeser

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1008455B (de) * 1951-02-26 1957-05-16 Jenaer Glaswerk Schott & Gen Praktisch fluorfreie optische Glaeser
DE957338C (de) * 1952-05-10 1957-03-07 Jenaer Glaswerk Schott & Gen Praktisch fluorfreie optische Glaeser

Also Published As

Publication number Publication date
BE476293A (enrdf_load_stackoverflow)
GB639335A (en) 1950-06-28

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