FR1493180A - Perfectionnements aux verres optiques - Google Patents

Perfectionnements aux verres optiques

Info

Publication number
FR1493180A
FR1493180A FR76012A FR76012A FR1493180A FR 1493180 A FR1493180 A FR 1493180A FR 76012 A FR76012 A FR 76012A FR 76012 A FR76012 A FR 76012A FR 1493180 A FR1493180 A FR 1493180A
Authority
FR
France
Prior art keywords
optical glasses
glasses
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
FR76012A
Other languages
English (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.)
Pilkington Group Ltd
Original Assignee
Pilkington Brothers Ltd
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 GB39029/65A external-priority patent/GB1121000A/en
Application filed by Pilkington Brothers Ltd filed Critical Pilkington Brothers Ltd
Priority to FR76012A priority Critical patent/FR1493180A/fr
Application granted granted Critical
Publication of FR1493180A publication Critical patent/FR1493180A/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
    • C03C3/07—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
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/14—Silica-free oxide glass compositions containing boron
    • C03C3/145—Silica-free oxide glass compositions containing boron 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)
FR76012A 1965-09-13 1966-09-12 Perfectionnements aux verres optiques Expired FR1493180A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR76012A FR1493180A (fr) 1965-09-13 1966-09-12 Perfectionnements aux verres optiques

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB39029/65A GB1121000A (en) 1965-09-13 1965-09-13 Improvements in or relating to optical glass
FR76012A FR1493180A (fr) 1965-09-13 1966-09-12 Perfectionnements aux verres optiques

Publications (1)

Publication Number Publication Date
FR1493180A true FR1493180A (fr) 1967-08-25

Family

ID=26173050

Family Applications (1)

Application Number Title Priority Date Filing Date
FR76012A Expired FR1493180A (fr) 1965-09-13 1966-09-12 Perfectionnements aux verres optiques

Country Status (1)

Country Link
FR (1) FR1493180A (fr)

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