GB2071643B - Fluoride free crown glass - Google Patents

Fluoride free crown glass

Info

Publication number
GB2071643B
GB2071643B GB8039307A GB8039307A GB2071643B GB 2071643 B GB2071643 B GB 2071643B GB 8039307 A GB8039307 A GB 8039307A GB 8039307 A GB8039307 A GB 8039307A GB 2071643 B GB2071643 B GB 2071643B
Authority
GB
United Kingdom
Prior art keywords
crown glass
fluoride free
free crown
fluoride
glass
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
GB8039307A
Other languages
English (en)
Other versions
GB2071643A (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 GB2071643A publication Critical patent/GB2071643A/en
Application granted granted Critical
Publication of GB2071643B publication Critical patent/GB2071643B/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
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/16—Silica-free oxide glass compositions containing phosphorus
    • C03C3/17—Silica-free oxide glass compositions containing phosphorus containing aluminium or beryllium

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)
GB8039307A 1980-03-06 1980-12-08 Fluoride free crown glass Expired GB2071643B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD21947880A DD156476A3 (de) 1980-03-06 1980-03-06 Optisches fluoridfreies kronglas mit niedriger thermooptischer konstante

Publications (2)

Publication Number Publication Date
GB2071643A GB2071643A (en) 1981-09-23
GB2071643B true GB2071643B (en) 1984-04-26

Family

ID=5523008

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8039307A Expired GB2071643B (en) 1980-03-06 1980-12-08 Fluoride free crown glass

Country Status (4)

Country Link
DD (1) DD156476A3 (enExample)
DE (1) DE3043614A1 (enExample)
FR (1) FR2477524A1 (enExample)
GB (1) GB2071643B (enExample)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3281253A (en) * 1963-03-28 1966-10-25 Bausch & Lomb Optical glass
DE1596854A1 (de) * 1967-02-23 1971-03-25 Jenaer Glaswerk Schott & Gen Verwendung eines Glases als optisches Glas mit weitgehend temperaturunabhaengiger optischer Weglaenge
JPS5378217A (en) * 1976-12-22 1978-07-11 Hoya Glass Works Ltd Phosphate optical glass through which light beam length beeing little dependnt on temperature

Also Published As

Publication number Publication date
FR2477524A1 (fr) 1981-09-11
FR2477524B1 (enExample) 1985-05-24
DD156476A3 (de) 1982-09-01
GB2071643A (en) 1981-09-23
DE3043614A1 (de) 1981-09-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee