FR1573633A - - Google Patents

Info

Publication number
FR1573633A
FR1573633A FR1573633DA FR1573633A FR 1573633 A FR1573633 A FR 1573633A FR 1573633D A FR1573633D A FR 1573633DA FR 1573633 A FR1573633 A FR 1573633A
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
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 filed Critical
Application granted granted Critical
Publication of FR1573633A publication Critical patent/FR1573633A/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
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/23—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of 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
    • C03C3/062—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S501/00—Compositions: ceramic
    • Y10S501/90—Optical glass, e.g. silent on refractive index and/or ABBE number
    • Y10S501/903—Optical glass, e.g. silent on refractive index and/or ABBE number having refractive index less than 1.8 and ABBE number less than 70

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)
  • Extraction Or Liquid Replacement (AREA)
FR1573633D 1967-07-26 1968-07-16 Expired FR1573633A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB34419/67A GB1224169A (en) 1967-07-26 1967-07-26 Improvements in or relating to thorium-free optical glass

Publications (1)

Publication Number Publication Date
FR1573633A true FR1573633A (fr) 1969-07-04

Family

ID=10365409

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1573633D Expired FR1573633A (fr) 1967-07-26 1968-07-16

Country Status (4)

Country Link
US (1) US3615762A (fr)
JP (1) JPS5223643B1 (fr)
FR (1) FR1573633A (fr)
GB (1) GB1224169A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2237259A1 (de) * 1971-07-30 1973-02-01 Hoya Glass Works Ltd Optische glaeser
JPS5215510A (en) * 1975-07-28 1977-02-05 Nippon Chemical Ind Optical glass
JPS553329A (en) * 1978-06-21 1980-01-11 Ohara Inc Optical glass
US4330629A (en) * 1979-06-07 1982-05-18 Thorn Emi Limited Heat-resistant sealing materials
US5158812A (en) * 1991-09-13 1992-10-27 Corning Incorporated Semiconducting glass and article

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1066068A (fr) * 1951-02-26 1954-06-02 Leitz Ernst Gmbh Verres optiques au borate, pratiquement exempts de fluor
DE957338C (de) * 1952-05-10 1957-03-07 Jenaer Glaswerk Schott & Gen Praktisch fluorfreie optische Glaeser
DE1062900B (de) * 1958-01-25 1959-08-06 Jenaer Glaswerk Schott & Gen Optisches Glas
DE1061976B (de) * 1958-02-19 1959-07-23 Leitz Ernst Gmbh Borosilikatglas
US3081178A (en) * 1959-08-10 1963-03-12 Leitz Ernst Gmbh Optical borate glass

Also Published As

Publication number Publication date
GB1224169A (en) 1971-03-03
DE1771624A1 (de) 1972-01-05
DE1771624B2 (de) 1975-07-24
JPS5223643B1 (fr) 1977-06-25
US3615762A (en) 1971-10-26

Similar Documents

Publication Publication Date Title
AT298283B (fr)
JPS5223643B1 (fr)
FR1596020A (fr)
BE709509A (fr)
AU2277767A (fr)
AU2256867A (fr)
AU1273466A (fr)
AU2454867A (fr)
AU2116667A (fr)
BE609934A (fr)
BE692779A (fr)
AU23366A (fr)
AU2406369A (fr)
AU1763766A (fr)
BE711629A (fr)
BE711303A (fr)
BE711188A (fr)
BE710708A (fr)
BE710171A (fr)
BE709962A (fr)
BE709794A (fr)
BE709615A (fr)
AU1677166A (fr)
BE709368A (fr)
BE614676A (fr)

Legal Events

Date Code Title Description
ST Notification of lapse