FR1208923A - Perfectionnements apportés aux verres d'optique - Google Patents

Perfectionnements apportés aux verres d'optique

Info

Publication number
FR1208923A
FR1208923A FR1208923DA FR1208923A FR 1208923 A FR1208923 A FR 1208923A FR 1208923D A FR1208923D A FR 1208923DA FR 1208923 A FR1208923 A FR 1208923A
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
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
Application filed by Pilkington Brothers Ltd filed Critical Pilkington Brothers Ltd
Application granted granted Critical
Publication of FR1208923A publication Critical patent/FR1208923A/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
    • C03C3/253—Silica-free oxide glass compositions containing germanium

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)
FR1208923D 1957-11-29 1958-11-27 Perfectionnements apportés aux verres d'optique Expired FR1208923A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3736757A GB860121A (en) 1957-11-29 1957-11-29 Improvements in or relating to optical glass

Publications (1)

Publication Number Publication Date
FR1208923A true FR1208923A (fr) 1960-02-26

Family

ID=10395917

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1208923D Expired FR1208923A (fr) 1957-11-29 1958-11-27 Perfectionnements apportés aux verres d'optique

Country Status (3)

Country Link
DE (1) DE1263998B (fr)
FR (1) FR1208923A (fr)
GB (1) GB860121A (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691599A (en) * 1950-11-14 1954-10-12 Univ Ohio State Res Found Glasses
US2701208A (en) * 1950-11-14 1955-02-01 Univ Ohio State Res Found Glasses

Also Published As

Publication number Publication date
GB860121A (en) 1961-02-01
DE1263998B (de) 1968-03-21

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