FR2009390A1 - - Google Patents

Info

Publication number
FR2009390A1
FR2009390A1 FR6916938A FR6916938A FR2009390A1 FR 2009390 A1 FR2009390 A1 FR 2009390A1 FR 6916938 A FR6916938 A FR 6916938A FR 6916938 A FR6916938 A FR 6916938A FR 2009390 A1 FR2009390 A1 FR 2009390A1
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.)
Withdrawn
Application number
FR6916938A
Other languages
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.)
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
Publication of FR2009390A1 publication Critical patent/FR2009390A1/fr
Withdrawn legal-status Critical Current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
FR6916938A 1968-05-27 1969-05-23 Withdrawn FR2009390A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2526768A GB1255497A (en) 1968-05-27 1968-05-27 Glass compositions

Publications (1)

Publication Number Publication Date
FR2009390A1 true FR2009390A1 (en) 1970-02-06

Family

ID=10224940

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6916938A Withdrawn FR2009390A1 (en) 1968-05-27 1969-05-23

Country Status (4)

Country Link
DE (1) DE1926959B2 (en)
FR (1) FR2009390A1 (en)
GB (1) GB1255497A (en)
NL (1) NL6907991A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439531A (en) * 1981-07-30 1984-03-27 Schott Glaswerke CdO-ThO2 -Free, highly refractive optical glass

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5263920A (en) * 1975-11-25 1977-05-26 Nippon Chemical Ind Optical glass
DE9111121U1 (en) * 1991-09-07 1991-10-24 Hassomat Maschb Gmbh & Co Kg
JP3750984B2 (en) 2000-05-31 2006-03-01 Ｈｏｙａ株式会社 Optical glass and optical product manufacturing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439531A (en) * 1981-07-30 1984-03-27 Schott Glaswerke CdO-ThO2 -Free, highly refractive optical glass

Also Published As

Publication number Publication date
GB1255497A (en) 1971-12-01
DE1926959A1 (en) 1969-12-04
NL6907991A (en) 1969-12-01
DE1926959B2 (en) 1971-04-01

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Legal Events

Date Code Title Description
ST Notification of lapse